81635684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{4099}}^1$

素因数の和:4499

約数の個数: 24

約数和(自身を含む): 154291200

約数和(自身を除く): 72655516

約数列:

[1, 2, 4, 13, 26, 52, 383, 766, 1532, 4099, 4979, 8198, 9958, 16396, 19916, 53287, 106574, 213148, 1569917, 3139834, 6279668, 20408921, 40817842, 81635684]

約数ペア:

[(1, 81635684), (2, 40817842), (4, 20408921), (13, 6279668), (26, 3139834), (52, 1569917), (383, 213148), (766, 106574), (1532, 53287), (4099, 19916), (4979, 16396), (8198, 9958)]