257648664

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{887}}^1$

素因数の和:942

約数の個数: 192

約数和(自身を含む): 850348800

約数和(自身を除く): 592700136

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 19, 21, 24, 26, 28, 38, 39, 42, 49, 52, 56, 57, 76, 78, 84, 91, 98, 104, 114, 133, 147, 152, 156, 168, 182, 196, 228, 247, 266, 273, 294, 312, 364, 392, 399, 456, 494, 532, 546, 588, 637, 728, 741, 798, 887, 931, 988, 1064, 1092, 1176, 1274, 1482, 1596, 1729, 1774, 1862, 1911, 1976, 2184, 2548, 2661, 2793, 2964, 3192, 3458, 3548, 3724, 3822, 5096, 5187, 5322, 5586, 5928, 6209, 6916, 7096, 7448, 7644, 10374, 10644, 11172, 11531, 12103, 12418, 13832, 15288, 16853, 18627, 20748, 21288, 22344, 23062, 24206, 24836, 33706, 34593, 36309, 37254, 41496, 43463, 46124, 48412, 49672, 50559, 67412, 69186, 72618, 74508, 80717, 86926, 92248, 96824, 101118, 117971, 130389, 134824, 138372, 145236, 149016, 161434, 173852, 202236, 219089, 235942, 242151, 260778, 276744, 290472, 322868, 347704, 353913, 404472, 438178, 471884, 484302, 521556, 565019, 645736, 657267, 707826, 825797, 876356, 943768, 968604, 1043112, 1130038, 1314534, 1415652, 1533623, 1651594, 1695057, 1752712, 1937208, 2260076, 2477391, 2629068, 2831304, 3067246, 3303188, 3390114, 4520152, 4600869, 4954782, 5258136, 6134492, 6606376, 6780228, 9201738, 9909564, 10735361, 12268984, 13560456, 18403476, 19819128, 21470722, 32206083, 36806952, 42941444, 64412166, 85882888, 128824332, 257648664]

約数ペア:

[(1, 257648664), (2, 128824332), (3, 85882888), (4, 64412166), (6, 42941444), (7, 36806952), (8, 32206083), (12, 21470722), (13, 19819128), (14, 18403476), (19, 13560456), (21, 12268984), (24, 10735361), (26, 9909564), (28, 9201738), (38, 6780228), (39, 6606376), (42, 6134492), (49, 5258136), (52, 4954782), (56, 4600869), (57, 4520152), (76, 3390114), (78, 3303188), (84, 3067246), (91, 2831304), (98, 2629068), (104, 2477391), (114, 2260076), (133, 1937208), (147, 1752712), (152, 1695057), (156, 1651594), (168, 1533623), (182, 1415652), (196, 1314534), (228, 1130038), (247, 1043112), (266, 968604), (273, 943768), (294, 876356), (312, 825797), (364, 707826), (392, 657267), (399, 645736), (456, 565019), (494, 521556), (532, 484302), (546, 471884), (588, 438178), (637, 404472), (728, 353913), (741, 347704), (798, 322868), (887, 290472), (931, 276744), (988, 260778), (1064, 242151), (1092, 235942), (1176, 219089), (1274, 202236), (1482, 173852), (1596, 161434), (1729, 149016), (1774, 145236), (1862, 138372), (1911, 134824), (1976, 130389), (2184, 117971), (2548, 101118), (2661, 96824), (2793, 92248), (2964, 86926), (3192, 80717), (3458, 74508), (3548, 72618), (3724, 69186), (3822, 67412), (5096, 50559), (5187, 49672), (5322, 48412), (5586, 46124), (5928, 43463), (6209, 41496), (6916, 37254), (7096, 36309), (7448, 34593), (7644, 33706), (10374, 24836), (10644, 24206), (11172, 23062), (11531, 22344), (12103, 21288), (12418, 20748), (13832, 18627), (15288, 16853)]