77919728

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{31019}}^1$

素因数の和:31184

約数の個数: 20

約数和(自身を含む): 151935960

約数和(自身を除く): 74016232

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 31019, 62038, 124076, 248152, 496304, 4869983, 9739966, 19479932, 38959864, 77919728]

約数ペア:

[(1, 77919728), (2, 38959864), (4, 19479932), (8, 9739966), (16, 4869983), (157, 496304), (314, 248152), (628, 124076), (1256, 62038), (2512, 31019)]