77919604

素因数分解:

$2^2\times 7^2\times {\mathrm{397549}}^1$

素因数の和:397567

約数の個数: 18

約数和(自身を含む): 158622450

約数和(自身を除く): 80702846

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 397549, 795098, 1590196, 2782843, 5565686, 11131372, 19479901, 38959802, 77919604]

約数ペア:

[(1, 77919604), (2, 38959802), (4, 19479901), (7, 11131372), (14, 5565686), (28, 2782843), (49, 1590196), (98, 795098), (196, 397549)]