31462730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{18617}}^1$

素因数の和:18650

約数の個数: 24

約数和(自身を含む): 61327692

約数和(自身を除く): 29864962

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 18617, 37234, 93085, 186170, 242021, 484042, 1210105, 2420210, 3146273, 6292546, 15731365, 31462730]

約数ペア:

[(1, 31462730), (2, 15731365), (5, 6292546), (10, 3146273), (13, 2420210), (26, 1210105), (65, 484042), (130, 242021), (169, 186170), (338, 93085), (845, 37234), (1690, 18617)]