2640812

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 4791360

約数和(自身を除く): 2150548

約数列:

[1, 2, 4, 61, 79, 122, 137, 158, 244, 274, 316, 548, 4819, 8357, 9638, 10823, 16714, 19276, 21646, 33428, 43292, 660203, 1320406, 2640812]

約数ペア:

[(1, 2640812), (2, 1320406), (4, 660203), (61, 43292), (79, 33428), (122, 21646), (137, 19276), (158, 16714), (244, 10823), (274, 9638), (316, 8357), (548, 4819)]