257873694

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{14437}}^1$

素因数の和:14684

約数の個数: 32

約数和(自身を含む): 557884320

約数和(自身を除く): 300010626

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 229, 458, 687, 1374, 2977, 5954, 8931, 14437, 17862, 28874, 43311, 86622, 187681, 375362, 563043, 1126086, 3306073, 6612146, 9918219, 19836438, 42978949, 85957898, 128936847, 257873694]

約数ペア:

[(1, 257873694), (2, 128936847), (3, 85957898), (6, 42978949), (13, 19836438), (26, 9918219), (39, 6612146), (78, 3306073), (229, 1126086), (458, 563043), (687, 375362), (1374, 187681), (2977, 86622), (5954, 43311), (8931, 28874), (14437, 17862)]