79978495

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2\times {\mathrm{211}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 101131632

約数和(自身を除く): 21153137

約数列:

[1, 5, 41, 43, 205, 211, 215, 1055, 1763, 1849, 8651, 8815, 9073, 9245, 43255, 45365, 75809, 371993, 379045, 390139, 1859965, 1950695, 15995699, 79978495]

約数ペア:

[(1, 79978495), (5, 15995699), (41, 1950695), (43, 1859965), (205, 390139), (211, 379045), (215, 371993), (1055, 75809), (1763, 45365), (1849, 43255), (8651, 9245), (8815, 9073)]