256915883

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{761}}^1\times {\mathrm{2837}}^1$

素因数の和:3622

約数の個数: 16

約数和(自身を含む): 311408064

約数和(自身を除く): 54492181

約数列:

[1, 7, 17, 119, 761, 2837, 5327, 12937, 19859, 48229, 90559, 337603, 2158957, 15112699, 36702269, 256915883]

約数ペア:

[(1, 256915883), (7, 36702269), (17, 15112699), (119, 2158957), (761, 337603), (2837, 90559), (5327, 48229), (12937, 19859)]