391423810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{31541}}^1$

素因数の和:31638

約数の個数: 32

約数和(自身を含む): 756250992

約数和(自身を除く): 364827182

約数列:

[1, 2, 5, 10, 17, 34, 73, 85, 146, 170, 365, 730, 1241, 2482, 6205, 12410, 31541, 63082, 157705, 315410, 536197, 1072394, 2302493, 2680985, 4604986, 5361970, 11512465, 23024930, 39142381, 78284762, 195711905, 391423810]

約数ペア:

[(1, 391423810), (2, 195711905), (5, 78284762), (10, 39142381), (17, 23024930), (34, 11512465), (73, 5361970), (85, 4604986), (146, 2680985), (170, 2302493), (365, 1072394), (730, 536197), (1241, 315410), (2482, 157705), (6205, 63082), (12410, 31541)]