1277588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 2446080

約数和(自身を除く): 1168492

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 311, 316, 622, 1027, 1244, 2054, 4043, 4108, 8086, 16172, 24569, 49138, 98276, 319397, 638794, 1277588]

約数ペア:

[(1, 1277588), (2, 638794), (4, 319397), (13, 98276), (26, 49138), (52, 24569), (79, 16172), (158, 8086), (311, 4108), (316, 4043), (622, 2054), (1027, 1244)]