64172339

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{20327}}^1$

素因数の和:20386

約数の個数: 16

約数和(自身を含む): 81962496

約数和(自身を除く): 17790157

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 20327, 142289, 223597, 833407, 1565179, 5833849, 9167477, 64172339]

約数ペア:

[(1, 64172339), (7, 9167477), (11, 5833849), (41, 1565179), (77, 833407), (287, 223597), (451, 142289), (3157, 20327)]