311371408

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{142049}}^1$

素因数の和:142194

約数の個数: 20

約数和(自身を含む): 607689900

約数和(自身を除く): 296318492

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 142049, 284098, 568196, 1136392, 2272784, 19460713, 38921426, 77842852, 155685704, 311371408]

約数ペア:

[(1, 311371408), (2, 155685704), (4, 77842852), (8, 38921426), (16, 19460713), (137, 2272784), (274, 1136392), (548, 568196), (1096, 284098), (2192, 142049)]