31688410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1409}}^1$

素因数の和:1602

約数の個数: 32

約数和(自身を含む): 61825680

約数和(自身を除く): 30137270

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 865, 1409, 1730, 2249, 2818, 4498, 7045, 11245, 14090, 18317, 22490, 36634, 91585, 183170, 243757, 487514, 1218785, 2437570, 3168841, 6337682, 15844205, 31688410]

約数ペア:

[(1, 31688410), (2, 15844205), (5, 6337682), (10, 3168841), (13, 2437570), (26, 1218785), (65, 487514), (130, 243757), (173, 183170), (346, 91585), (865, 36634), (1409, 22490), (1730, 18317), (2249, 14090), (2818, 11245), (4498, 7045)]