128951256

素因数分解:

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

素因数の和:473

約数の個数: 128

約数和(自身を含む): 393914880

約数和(自身を除く): 264963624

約数列:

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

約数ペア:

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