38994995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 52859520

約数和(自身を除く): 13864525

約数列:

[1, 5, 13, 29, 65, 137, 145, 151, 377, 685, 755, 1781, 1885, 1963, 3973, 4379, 8905, 9815, 19865, 20687, 21895, 51649, 56927, 103435, 258245, 268931, 284635, 599923, 1344655, 2999615, 7798999, 38994995]

約数ペア:

[(1, 38994995), (5, 7798999), (13, 2999615), (29, 1344655), (65, 599923), (137, 284635), (145, 268931), (151, 258245), (377, 103435), (685, 56927), (755, 51649), (1781, 21895), (1885, 20687), (1963, 19865), (3973, 9815), (4379, 8905)]