641213258

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1579343}}^1$

素因数の和:1579381

約数の個数: 16

約数和(自身を含む): 1137127680

約数和(自身を除く): 495914422

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 1579343, 3158686, 11055401, 22110802, 45800947, 91601894, 320606629, 641213258]

約数ペア:

[(1, 641213258), (2, 320606629), (7, 91601894), (14, 45800947), (29, 22110802), (58, 11055401), (203, 3158686), (406, 1579343)]