77931265

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 99335808

約数和(自身を除く): 21404543

約数列:

[1, 5, 29, 43, 145, 215, 431, 841, 1247, 2155, 4205, 6235, 12499, 18533, 36163, 62495, 92665, 180815, 362471, 537457, 1812355, 2687285, 15586253, 77931265]

約数ペア:

[(1, 77931265), (5, 15586253), (29, 2687285), (43, 1812355), (145, 537457), (215, 362471), (431, 180815), (841, 92665), (1247, 62495), (2155, 36163), (4205, 18533), (6235, 12499)]