139471930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{2203}}^1$

素因数の和:2710

約数の個数: 32

約数和(自身を含む): 271039104

約数和(自身を除く): 131567174

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 487, 974, 2203, 2435, 4406, 4870, 6331, 11015, 12662, 22030, 28639, 31655, 57278, 63310, 143195, 286390, 1072861, 2145722, 5364305, 10728610, 13947193, 27894386, 69735965, 139471930]

約数ペア:

[(1, 139471930), (2, 69735965), (5, 27894386), (10, 13947193), (13, 10728610), (26, 5364305), (65, 2145722), (130, 1072861), (487, 286390), (974, 143195), (2203, 63310), (2435, 57278), (4406, 31655), (4870, 28639), (6331, 22030), (11015, 12662)]