199900355

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1\times {\mathrm{1013}}^1$

素因数の和:1726

約数の個数: 16

約数和(自身を含む): 244430784

約数和(自身を除く): 44530429

約数列:

[1, 5, 61, 305, 647, 1013, 3235, 5065, 39467, 61793, 197335, 308965, 655411, 3277055, 39980071, 199900355]

約数ペア:

[(1, 199900355), (5, 39980071), (61, 3277055), (305, 655411), (647, 308965), (1013, 197335), (3235, 61793), (5065, 39467)]