256657788

素因数分解:

$2^2\times 3^3\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{857}}^1$

素因数の和:976

約数の個数: 96

約数和(自身を含む): 691891200

約数和(自身を除く): 435233412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 47, 54, 59, 94, 108, 118, 141, 177, 188, 236, 282, 354, 423, 531, 564, 708, 846, 857, 1062, 1269, 1593, 1692, 1714, 2124, 2538, 2571, 2773, 3186, 3428, 5076, 5142, 5546, 6372, 7713, 8319, 10284, 11092, 15426, 16638, 23139, 24957, 30852, 33276, 40279, 46278, 49914, 50563, 74871, 80558, 92556, 99828, 101126, 120837, 149742, 151689, 161116, 202252, 241674, 299484, 303378, 362511, 455067, 483348, 606756, 725022, 910134, 1087533, 1365201, 1450044, 1820268, 2175066, 2376461, 2730402, 4350132, 4752922, 5460804, 7129383, 9505844, 14258766, 21388149, 28517532, 42776298, 64164447, 85552596, 128328894, 256657788]

約数ペア:

[(1, 256657788), (2, 128328894), (3, 85552596), (4, 64164447), (6, 42776298), (9, 28517532), (12, 21388149), (18, 14258766), (27, 9505844), (36, 7129383), (47, 5460804), (54, 4752922), (59, 4350132), (94, 2730402), (108, 2376461), (118, 2175066), (141, 1820268), (177, 1450044), (188, 1365201), (236, 1087533), (282, 910134), (354, 725022), (423, 606756), (531, 483348), (564, 455067), (708, 362511), (846, 303378), (857, 299484), (1062, 241674), (1269, 202252), (1593, 161116), (1692, 151689), (1714, 149742), (2124, 120837), (2538, 101126), (2571, 99828), (2773, 92556), (3186, 80558), (3428, 74871), (5076, 50563), (5142, 49914), (5546, 46278), (6372, 40279), (7713, 33276), (8319, 30852), (10284, 24957), (11092, 23139), (15426, 16638)]