213404930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{688403}}^1$

素因数の和:688441

約数の個数: 16

約数和(自身を含む): 396520704

約数和(自身を除く): 183115774

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 688403, 1376806, 3442015, 6884030, 21340493, 42680986, 106702465, 213404930]

約数ペア:

[(1, 213404930), (2, 106702465), (5, 42680986), (10, 21340493), (31, 6884030), (62, 3442015), (155, 1376806), (310, 688403)]