257971364

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{156157}}^1$

素因数の和:156227

約数の個数: 24

約数和(自身を含む): 524690880

約数和(自身を除く): 266719516

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 156157, 312314, 624628, 1093099, 2186198, 4372396, 9213263, 18426526, 36853052, 64492841, 128985682, 257971364]

約数ペア:

[(1, 257971364), (2, 128985682), (4, 64492841), (7, 36853052), (14, 18426526), (28, 9213263), (59, 4372396), (118, 2186198), (236, 1093099), (413, 624628), (826, 312314), (1652, 156157)]