678531243

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{1279}}^1$

素因数の和:1579

約数の個数: 32

約数和(自身を含む): 995491840

約数和(自身を除く): 316960597

約数列:

[1, 3, 13, 39, 61, 183, 223, 669, 793, 1279, 2379, 2899, 3837, 8697, 13603, 16627, 40809, 49881, 78019, 176839, 234057, 285217, 530517, 855651, 1014247, 3042741, 3707821, 11123463, 17398237, 52194711, 226177081, 678531243]

約数ペア:

[(1, 678531243), (3, 226177081), (13, 52194711), (39, 17398237), (61, 11123463), (183, 3707821), (223, 3042741), (669, 1014247), (793, 855651), (1279, 530517), (2379, 285217), (2899, 234057), (3837, 176839), (8697, 78019), (13603, 49881), (16627, 40809)]