1721252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 3292800

約数和(自身を除く): 1571548

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 419, 838, 1027, 1676, 2054, 4108, 5447, 10894, 21788, 33101, 66202, 132404, 430313, 860626, 1721252]

約数ペア:

[(1, 1721252), (2, 860626), (4, 430313), (13, 132404), (26, 66202), (52, 33101), (79, 21788), (158, 10894), (316, 5447), (419, 4108), (838, 2054), (1027, 1676)]