291123456

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^2\times {\mathrm{2243}}^1$

素因数の和:2288

約数の個数: 108

約数和(自身を含む): 839372688

約数和(自身を除く): 548249232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 169, 192, 208, 256, 312, 338, 384, 416, 507, 624, 676, 768, 832, 1014, 1248, 1352, 1664, 2028, 2243, 2496, 2704, 3328, 4056, 4486, 4992, 5408, 6729, 8112, 8972, 9984, 10816, 13458, 16224, 17944, 21632, 26916, 29159, 32448, 35888, 43264, 53832, 58318, 64896, 71776, 87477, 107664, 116636, 129792, 143552, 174954, 215328, 233272, 287104, 349908, 379067, 430656, 466544, 574208, 699816, 758134, 861312, 933088, 1137201, 1399632, 1516268, 1722624, 1866176, 2274402, 2799264, 3032536, 3732352, 4548804, 5598528, 6065072, 7464704, 9097608, 11197056, 12130144, 18195216, 22394112, 24260288, 36390432, 48520576, 72780864, 97041152, 145561728, 291123456]

約数ペア:

[(1, 291123456), (2, 145561728), (3, 97041152), (4, 72780864), (6, 48520576), (8, 36390432), (12, 24260288), (13, 22394112), (16, 18195216), (24, 12130144), (26, 11197056), (32, 9097608), (39, 7464704), (48, 6065072), (52, 5598528), (64, 4548804), (78, 3732352), (96, 3032536), (104, 2799264), (128, 2274402), (156, 1866176), (169, 1722624), (192, 1516268), (208, 1399632), (256, 1137201), (312, 933088), (338, 861312), (384, 758134), (416, 699816), (507, 574208), (624, 466544), (676, 430656), (768, 379067), (832, 349908), (1014, 287104), (1248, 233272), (1352, 215328), (1664, 174954), (2028, 143552), (2243, 129792), (2496, 116636), (2704, 107664), (3328, 87477), (4056, 71776), (4486, 64896), (4992, 58318), (5408, 53832), (6729, 43264), (8112, 35888), (8972, 32448), (9984, 29159), (10816, 26916), (13458, 21632), (16224, 17944)]