16681325

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 21956928

約数和(自身を除く): 5275603

約数列:

[1, 5, 23, 25, 67, 115, 335, 433, 575, 1541, 1675, 2165, 7705, 9959, 10825, 29011, 38525, 49795, 145055, 248975, 667253, 725275, 3336265, 16681325]

約数ペア:

[(1, 16681325), (5, 3336265), (23, 725275), (25, 667253), (67, 248975), (115, 145055), (335, 49795), (433, 38525), (575, 29011), (1541, 10825), (1675, 9959), (2165, 7705)]