72409205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1801}}^1$

素因数の和:1877

約数の個数: 32

約数和(自身を含む): 102757248

約数和(自身を除く): 30348043

約数列:

[1, 5, 11, 17, 43, 55, 85, 187, 215, 473, 731, 935, 1801, 2365, 3655, 8041, 9005, 19811, 30617, 40205, 77443, 99055, 153085, 336787, 387215, 851873, 1316531, 1683935, 4259365, 6582655, 14481841, 72409205]

約数ペア:

[(1, 72409205), (5, 14481841), (11, 6582655), (17, 4259365), (43, 1683935), (55, 1316531), (85, 851873), (187, 387215), (215, 336787), (473, 153085), (731, 99055), (935, 77443), (1801, 40205), (2365, 30617), (3655, 19811), (8041, 9005)]