31722470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1021}}^1$

素因数の和:1280

約数の個数: 32

約数和(自身を含む): 61810560

約数和(自身を除く): 30088090

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 239, 478, 1021, 1195, 2042, 2390, 3107, 5105, 6214, 10210, 13273, 15535, 26546, 31070, 66365, 132730, 244019, 488038, 1220095, 2440190, 3172247, 6344494, 15861235, 31722470]

約数ペア:

[(1, 31722470), (2, 15861235), (5, 6344494), (10, 3172247), (13, 2440190), (26, 1220095), (65, 488038), (130, 244019), (239, 132730), (478, 66365), (1021, 31070), (1195, 26546), (2042, 15535), (2390, 13273), (3107, 10210), (5105, 6214)]