7813978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3371}}^1$

素因数の和:3453

約数の個数: 16

約数和(自身を含む): 12543840

約数和(自身を除く): 4729862

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 3371, 6742, 64049, 128098, 205631, 411262, 3906989, 7813978]

約数ペア:

[(1, 7813978), (2, 3906989), (19, 411262), (38, 205631), (61, 128098), (122, 64049), (1159, 6742), (2318, 3371)]