28468175

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{821}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 37713360

約数和(自身を除く): 9245185

約数列:

[1, 5, 19, 25, 73, 95, 365, 475, 821, 1387, 1825, 4105, 6935, 15599, 20525, 34675, 59933, 77995, 299665, 389975, 1138727, 1498325, 5693635, 28468175]

約数ペア:

[(1, 28468175), (5, 5693635), (19, 1498325), (25, 1138727), (73, 389975), (95, 299665), (365, 77995), (475, 59933), (821, 34675), (1387, 20525), (1825, 15599), (4105, 6935)]