1285804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 2461760

約数和(自身を除く): 1175956

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 313, 316, 626, 1027, 1252, 2054, 4069, 4108, 8138, 16276, 24727, 49454, 98908, 321451, 642902, 1285804]

約数ペア:

[(1, 1285804), (2, 642902), (4, 321451), (13, 98908), (26, 49454), (52, 24727), (79, 16276), (158, 8138), (313, 4108), (316, 4069), (626, 2054), (1027, 1252)]