4001855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 5866560

約数和(自身を除く): 1864705

約数列:

[1, 5, 11, 13, 29, 55, 65, 143, 145, 193, 319, 377, 715, 965, 1595, 1885, 2123, 2509, 4147, 5597, 10615, 12545, 20735, 27599, 27985, 61567, 72761, 137995, 307835, 363805, 800371, 4001855]

約数ペア:

[(1, 4001855), (5, 800371), (11, 363805), (13, 307835), (29, 137995), (55, 72761), (65, 61567), (143, 27985), (145, 27599), (193, 20735), (319, 12545), (377, 10615), (715, 5597), (965, 4147), (1595, 2509), (1885, 2123)]