77215255

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 109097280

約数和(自身を除く): 31882025

約数列:

[1, 5, 13, 23, 29, 65, 115, 137, 145, 169, 299, 377, 667, 685, 845, 1495, 1781, 1885, 3151, 3335, 3887, 3973, 4901, 8671, 8905, 15755, 19435, 19865, 23153, 24505, 40963, 43355, 51649, 91379, 112723, 115765, 204815, 258245, 456895, 532519, 563615, 671437, 1187927, 2662595, 3357185, 5939635, 15443051, 77215255]

約数ペア:

[(1, 77215255), (5, 15443051), (13, 5939635), (23, 3357185), (29, 2662595), (65, 1187927), (115, 671437), (137, 563615), (145, 532519), (169, 456895), (299, 258245), (377, 204815), (667, 115765), (685, 112723), (845, 91379), (1495, 51649), (1781, 43355), (1885, 40963), (3151, 24505), (3335, 23153), (3887, 19865), (3973, 19435), (4901, 15755), (8671, 8905)]