31971860

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{12203}}^1$

素因数の和:12343

約数の個数: 24

約数和(自身を含む): 67658976

約数和(自身を除く): 35687116

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 12203, 24406, 48812, 61015, 122030, 244060, 1598593, 3197186, 6394372, 7992965, 15985930, 31971860]

約数ペア:

[(1, 31971860), (2, 15985930), (4, 7992965), (5, 6394372), (10, 3197186), (20, 1598593), (131, 244060), (262, 122030), (524, 61015), (655, 48812), (1310, 24406), (2620, 12203)]