639313324

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1039}}^1\times {\mathrm{11833}}^1$

素因数の和:12889

約数の個数: 24

約数和(自身を含む): 1206121280

約数和(自身を除く): 566807956

約数列:

[1, 2, 4, 13, 26, 52, 1039, 2078, 4156, 11833, 13507, 23666, 27014, 47332, 54028, 153829, 307658, 615316, 12294487, 24588974, 49177948, 159828331, 319656662, 639313324]

約数ペア:

[(1, 639313324), (2, 319656662), (4, 159828331), (13, 49177948), (26, 24588974), (52, 12294487), (1039, 615316), (2078, 307658), (4156, 153829), (11833, 54028), (13507, 47332), (23666, 27014)]