257400122

素因数分解:

$2^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{80287}}^1$

素因数の和:80525

約数の個数: 16

約数和(自身を含む): 443189760

約数和(自身を除く): 185789638

約数列:

[1, 2, 7, 14, 229, 458, 1603, 3206, 80287, 160574, 562009, 1124018, 18385723, 36771446, 128700061, 257400122]

約数ペア:

[(1, 257400122), (2, 128700061), (7, 36771446), (14, 18385723), (229, 1124018), (458, 562009), (1603, 160574), (3206, 80287)]