389208456

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19801}}^1$

素因数の和:19836

約数の個数: 128

約数和(自身を含む): 1330694400

約数和(自身を除く): 941485944

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 117, 126, 156, 168, 182, 189, 216, 234, 252, 273, 312, 351, 364, 378, 468, 504, 546, 702, 728, 756, 819, 936, 1092, 1404, 1512, 1638, 2184, 2457, 2808, 3276, 4914, 6552, 9828, 19656, 19801, 39602, 59403, 79204, 118806, 138607, 158408, 178209, 237612, 257413, 277214, 356418, 415821, 475224, 514826, 534627, 554428, 712836, 772239, 831642, 1029652, 1069254, 1108856, 1247463, 1425672, 1544478, 1663284, 1801891, 2059304, 2138508, 2316717, 2494926, 3088956, 3326568, 3603782, 3742389, 4277016, 4633434, 4989852, 5405673, 6177912, 6950151, 7207564, 7484778, 9266868, 9979704, 10811346, 13900302, 14415128, 14969556, 16217019, 18533736, 21622692, 27800604, 29939112, 32434038, 43245384, 48651057, 55601208, 64868076, 97302114, 129736152, 194604228, 389208456]

約数ペア:

[(1, 389208456), (2, 194604228), (3, 129736152), (4, 97302114), (6, 64868076), (7, 55601208), (8, 48651057), (9, 43245384), (12, 32434038), (13, 29939112), (14, 27800604), (18, 21622692), (21, 18533736), (24, 16217019), (26, 14969556), (27, 14415128), (28, 13900302), (36, 10811346), (39, 9979704), (42, 9266868), (52, 7484778), (54, 7207564), (56, 6950151), (63, 6177912), (72, 5405673), (78, 4989852), (84, 4633434), (91, 4277016), (104, 3742389), (108, 3603782), (117, 3326568), (126, 3088956), (156, 2494926), (168, 2316717), (182, 2138508), (189, 2059304), (216, 1801891), (234, 1663284), (252, 1544478), (273, 1425672), (312, 1247463), (351, 1108856), (364, 1069254), (378, 1029652), (468, 831642), (504, 772239), (546, 712836), (702, 554428), (728, 534627), (756, 514826), (819, 475224), (936, 415821), (1092, 356418), (1404, 277214), (1512, 257413), (1638, 237612), (2184, 178209), (2457, 158408), (2808, 138607), (3276, 118806), (4914, 79204), (6552, 59403), (9828, 39602), (19656, 19801)]