257902512

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:475

約数の個数: 160

約数和(自身を含む): 814090752

約数和(自身を除く): 556188240

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 51, 56, 68, 84, 102, 112, 119, 136, 163, 168, 204, 238, 272, 277, 326, 336, 357, 408, 476, 489, 554, 652, 714, 816, 831, 952, 978, 1108, 1141, 1304, 1428, 1662, 1904, 1939, 1956, 2216, 2282, 2608, 2771, 2856, 3324, 3423, 3878, 3912, 4432, 4564, 4709, 5542, 5712, 5817, 6648, 6846, 7756, 7824, 8313, 9128, 9418, 11084, 11634, 13296, 13692, 14127, 15512, 16626, 18256, 18836, 19397, 22168, 23268, 27384, 28254, 31024, 32963, 33252, 37672, 38794, 44336, 45151, 46536, 54768, 56508, 58191, 65926, 66504, 75344, 77588, 90302, 93072, 98889, 113016, 116382, 131852, 133008, 135453, 155176, 180604, 197778, 226032, 232764, 263704, 270906, 310352, 316057, 361208, 395556, 465528, 527408, 541812, 632114, 722416, 767567, 791112, 931056, 948171, 1083624, 1264228, 1535134, 1582224, 1896342, 2167248, 2302701, 2528456, 3070268, 3792684, 4605402, 5056912, 5372969, 6140536, 7585368, 9210804, 10745938, 12281072, 15170736, 16118907, 18421608, 21491876, 32237814, 36843216, 42983752, 64475628, 85967504, 128951256, 257902512]

約数ペア:

[(1, 257902512), (2, 128951256), (3, 85967504), (4, 64475628), (6, 42983752), (7, 36843216), (8, 32237814), (12, 21491876), (14, 18421608), (16, 16118907), (17, 15170736), (21, 12281072), (24, 10745938), (28, 9210804), (34, 7585368), (42, 6140536), (48, 5372969), (51, 5056912), (56, 4605402), (68, 3792684), (84, 3070268), (102, 2528456), (112, 2302701), (119, 2167248), (136, 1896342), (163, 1582224), (168, 1535134), (204, 1264228), (238, 1083624), (272, 948171), (277, 931056), (326, 791112), (336, 767567), (357, 722416), (408, 632114), (476, 541812), (489, 527408), (554, 465528), (652, 395556), (714, 361208), (816, 316057), (831, 310352), (952, 270906), (978, 263704), (1108, 232764), (1141, 226032), (1304, 197778), (1428, 180604), (1662, 155176), (1904, 135453), (1939, 133008), (1956, 131852), (2216, 116382), (2282, 113016), (2608, 98889), (2771, 93072), (2856, 90302), (3324, 77588), (3423, 75344), (3878, 66504), (3912, 65926), (4432, 58191), (4564, 56508), (4709, 54768), (5542, 46536), (5712, 45151), (5817, 44336), (6648, 38794), (6846, 37672), (7756, 33252), (7824, 32963), (8313, 31024), (9128, 28254), (9418, 27384), (11084, 23268), (11634, 22168), (13296, 19397), (13692, 18836), (14127, 18256), (15512, 16626)]