131462890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{14243}}^1$

素因数の和:14334

約数の個数: 32

約数和(自身を含む): 258443136

約数和(自身を除く): 126980246

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 14243, 28486, 71215, 142430, 185159, 370318, 925795, 1011253, 1851590, 2022506, 5056265, 10112530, 13146289, 26292578, 65731445, 131462890]

約数ペア:

[(1, 131462890), (2, 65731445), (5, 26292578), (10, 13146289), (13, 10112530), (26, 5056265), (65, 2022506), (71, 1851590), (130, 1011253), (142, 925795), (355, 370318), (710, 185159), (923, 142430), (1846, 71215), (4615, 28486), (9230, 14243)]