639820565282

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{283}}^1\times {\mathrm{1063}}^1\times {\mathrm{10529}}^1$

素因数の和:11978

約数の個数: 32

約数和(自身を含む): 973665463680

約数和(自身を除く): 333844898398

約数列:

[1, 2, 101, 202, 283, 566, 1063, 2126, 10529, 21058, 28583, 57166, 107363, 214726, 300829, 601658, 1063429, 2126858, 2979707, 5959414, 11192327, 22384654, 30383729, 60767458, 300950407, 601900814, 1130425027, 2260850054, 3167428541, 6334857082, 319910282641, 639820565282]

約数ペア:

[(1, 639820565282), (2, 319910282641), (101, 6334857082), (202, 3167428541), (283, 2260850054), (566, 1130425027), (1063, 601900814), (2126, 300950407), (10529, 60767458), (21058, 30383729), (28583, 22384654), (57166, 11192327), (107363, 5959414), (214726, 2979707), (300829, 2126858), (601658, 1063429)]