2021859791725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{67004467}}^1$

素因数の和:67004565

約数の個数: 24

約数和(自身を含む): 2691971506368

約数和(自身を除く): 670111714643

約数列:

[1, 5, 17, 25, 71, 85, 355, 425, 1207, 1775, 6035, 30175, 67004467, 335022335, 1139075939, 1675111675, 4757317157, 5695379695, 23786585785, 28476898475, 80874391669, 118932928925, 404371958345, 2021859791725]

約数ペア:

[(1, 2021859791725), (5, 404371958345), (17, 118932928925), (25, 80874391669), (71, 28476898475), (85, 23786585785), (355, 5695379695), (425, 4757317157), (1207, 1675111675), (1775, 1139075939), (6035, 335022335), (30175, 67004467)]