291220228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{70891}}^1$

素因数の和:70987

約数の個数: 24

約数和(自身を含む): 555793280

約数和(自身を除く): 264573052

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 70891, 141782, 283564, 921583, 1843166, 3686332, 5600389, 11200778, 22401556, 72805057, 145610114, 291220228]

約数ペア:

[(1, 291220228), (2, 145610114), (4, 72805057), (13, 22401556), (26, 11200778), (52, 5600389), (79, 3686332), (158, 1843166), (316, 921583), (1027, 283564), (2054, 141782), (4108, 70891)]