16428125

素因数分解:

$5^5\times 7^1\times {\mathrm{751}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 23498496

約数和(自身を除く): 7070371

約数列:

[1, 5, 7, 25, 35, 125, 175, 625, 751, 875, 3125, 3755, 4375, 5257, 18775, 21875, 26285, 93875, 131425, 469375, 657125, 2346875, 3285625, 16428125]

約数ペア:

[(1, 16428125), (5, 3285625), (7, 2346875), (25, 657125), (35, 469375), (125, 131425), (175, 93875), (625, 26285), (751, 21875), (875, 18775), (3125, 5257), (3755, 4375)]