15903290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1723}}^1$

素因数の和:1814

約数の個数: 32

約数和(自身を含む): 31280256

約数和(自身を除く): 15376966

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1723, 1846, 3446, 4615, 8615, 9230, 17230, 22399, 44798, 111995, 122333, 223990, 244666, 611665, 1223330, 1590329, 3180658, 7951645, 15903290]

約数ペア:

[(1, 15903290), (2, 7951645), (5, 3180658), (10, 1590329), (13, 1223330), (26, 611665), (65, 244666), (71, 223990), (130, 122333), (142, 111995), (355, 44798), (710, 22399), (923, 17230), (1723, 9230), (1846, 8615), (3446, 4615)]