15503930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{499}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 30240000

約数和(自身を除く): 14736070

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 239, 478, 499, 998, 1195, 2390, 2495, 3107, 4990, 6214, 6487, 12974, 15535, 31070, 32435, 64870, 119261, 238522, 596305, 1192610, 1550393, 3100786, 7751965, 15503930]

約数ペア:

[(1, 15503930), (2, 7751965), (5, 3100786), (10, 1550393), (13, 1192610), (26, 596305), (65, 238522), (130, 119261), (239, 64870), (478, 32435), (499, 31070), (998, 15535), (1195, 12974), (2390, 6487), (2495, 6214), (3107, 4990)]