257689152

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{809}}^1$

素因数の和:913

約数の個数: 168

約数和(自身を含む): 855878400

約数和(自身を除く): 598189248

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 79, 84, 96, 112, 126, 144, 158, 168, 192, 224, 237, 252, 288, 316, 336, 448, 474, 504, 553, 576, 632, 672, 711, 809, 948, 1008, 1106, 1264, 1344, 1422, 1618, 1659, 1896, 2016, 2212, 2427, 2528, 2844, 3236, 3318, 3792, 4032, 4424, 4854, 4977, 5056, 5663, 5688, 6472, 6636, 7281, 7584, 8848, 9708, 9954, 11326, 11376, 12944, 13272, 14562, 15168, 16989, 17696, 19416, 19908, 22652, 22752, 25888, 26544, 29124, 33978, 35392, 38832, 39816, 45304, 45504, 50967, 51776, 53088, 58248, 63911, 67956, 77664, 79632, 90608, 101934, 106176, 116496, 127822, 135912, 155328, 159264, 181216, 191733, 203868, 232992, 255644, 271824, 318528, 362432, 383466, 407736, 447377, 465984, 511288, 543648, 575199, 766932, 815472, 894754, 1022576, 1087296, 1150398, 1342131, 1533864, 1630944, 1789508, 2045152, 2300796, 2684262, 3067728, 3261888, 3579016, 4026393, 4090304, 4601592, 5368524, 6135456, 7158032, 8052786, 9203184, 10737048, 12270912, 14316064, 16105572, 18406368, 21474096, 28632128, 32211144, 36812736, 42948192, 64422288, 85896384, 128844576, 257689152]

約数ペア:

[(1, 257689152), (2, 128844576), (3, 85896384), (4, 64422288), (6, 42948192), (7, 36812736), (8, 32211144), (9, 28632128), (12, 21474096), (14, 18406368), (16, 16105572), (18, 14316064), (21, 12270912), (24, 10737048), (28, 9203184), (32, 8052786), (36, 7158032), (42, 6135456), (48, 5368524), (56, 4601592), (63, 4090304), (64, 4026393), (72, 3579016), (79, 3261888), (84, 3067728), (96, 2684262), (112, 2300796), (126, 2045152), (144, 1789508), (158, 1630944), (168, 1533864), (192, 1342131), (224, 1150398), (237, 1087296), (252, 1022576), (288, 894754), (316, 815472), (336, 766932), (448, 575199), (474, 543648), (504, 511288), (553, 465984), (576, 447377), (632, 407736), (672, 383466), (711, 362432), (809, 318528), (948, 271824), (1008, 255644), (1106, 232992), (1264, 203868), (1344, 191733), (1422, 181216), (1618, 159264), (1659, 155328), (1896, 135912), (2016, 127822), (2212, 116496), (2427, 106176), (2528, 101934), (2844, 90608), (3236, 79632), (3318, 77664), (3792, 67956), (4032, 63911), (4424, 58248), (4854, 53088), (4977, 51776), (5056, 50967), (5663, 45504), (5688, 45304), (6472, 39816), (6636, 38832), (7281, 35392), (7584, 33978), (8848, 29124), (9708, 26544), (9954, 25888), (11326, 22752), (11376, 22652), (12944, 19908), (13272, 19416), (14562, 17696), (15168, 16989)]