15131090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{487}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 29514240

約数和(自身を除く): 14383150

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 239, 478, 487, 974, 1195, 2390, 2435, 3107, 4870, 6214, 6331, 12662, 15535, 31070, 31655, 63310, 116393, 232786, 581965, 1163930, 1513109, 3026218, 7565545, 15131090]

約数ペア:

[(1, 15131090), (2, 7565545), (5, 3026218), (10, 1513109), (13, 1163930), (26, 581965), (65, 232786), (130, 116393), (239, 63310), (478, 31655), (487, 31070), (974, 15535), (1195, 12662), (2390, 6331), (2435, 6214), (3107, 4870)]