128546392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{2477}}^1$

素因数の和:2995

約数の個数: 32

約数和(自身を含む): 260190000

約数和(自身を除く): 131643608

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 499, 998, 1996, 2477, 3992, 4954, 6487, 9908, 12974, 19816, 25948, 32201, 51896, 64402, 128804, 257608, 1236023, 2472046, 4944092, 9888184, 16068299, 32136598, 64273196, 128546392]

約数ペア:

[(1, 128546392), (2, 64273196), (4, 32136598), (8, 16068299), (13, 9888184), (26, 4944092), (52, 2472046), (104, 1236023), (499, 257608), (998, 128804), (1996, 64402), (2477, 51896), (3992, 32201), (4954, 25948), (6487, 19816), (9908, 12974)]