31223270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12641}}^1$

素因数の和:12680

約数の個数: 32

約数和(自身を含む): 63715680

約数和(自身を除く): 32492410

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 12641, 25282, 63205, 126410, 164333, 240179, 328666, 480358, 821665, 1200895, 1643330, 2401790, 3122327, 6244654, 15611635, 31223270]

約数ペア:

[(1, 31223270), (2, 15611635), (5, 6244654), (10, 3122327), (13, 2401790), (19, 1643330), (26, 1200895), (38, 821665), (65, 480358), (95, 328666), (130, 240179), (190, 164333), (247, 126410), (494, 63205), (1235, 25282), (2470, 12641)]