668078668

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{8423}}^1$

素因数の和:8757

約数の個数: 24

約数和(自身を含む): 1188794880

約数和(自身を除く): 520716212

約数列:

[1, 2, 4, 79, 158, 251, 316, 502, 1004, 8423, 16846, 19829, 33692, 39658, 79316, 665417, 1330834, 2114173, 2661668, 4228346, 8456692, 167019667, 334039334, 668078668]

約数ペア:

[(1, 668078668), (2, 334039334), (4, 167019667), (79, 8456692), (158, 4228346), (251, 2661668), (316, 2114173), (502, 1330834), (1004, 665417), (8423, 79316), (16846, 39658), (19829, 33692)]