131241890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{7369}}^1$

素因数の和:7526

約数の個数: 32

約数和(自身を含む): 256299120

約数和(自身を除く): 125057230

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 274, 685, 1370, 1781, 3562, 7369, 8905, 14738, 17810, 36845, 73690, 95797, 191594, 478985, 957970, 1009553, 2019106, 5047765, 10095530, 13124189, 26248378, 65620945, 131241890]

約数ペア:

[(1, 131241890), (2, 65620945), (5, 26248378), (10, 13124189), (13, 10095530), (26, 5047765), (65, 2019106), (130, 1009553), (137, 957970), (274, 478985), (685, 191594), (1370, 95797), (1781, 73690), (3562, 36845), (7369, 17810), (8905, 14738)]