128180208

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{205417}}^1$

素因数の和:205441

約数の個数: 40

約数和(自身を含む): 356605648

約数和(自身を除く): 228425440

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 205417, 410834, 616251, 821668, 1232502, 1643336, 2465004, 2670421, 3286672, 4930008, 5340842, 8011263, 9860016, 10681684, 16022526, 21363368, 32045052, 42726736, 64090104, 128180208]

約数ペア:

[(1, 128180208), (2, 64090104), (3, 42726736), (4, 32045052), (6, 21363368), (8, 16022526), (12, 10681684), (13, 9860016), (16, 8011263), (24, 5340842), (26, 4930008), (39, 3286672), (48, 2670421), (52, 2465004), (78, 1643336), (104, 1232502), (156, 821668), (208, 616251), (312, 410834), (624, 205417)]