42643775

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{449}}^1$

素因数の和:619

約数の個数: 24

約数和(自身を含む): 55242000

約数和(自身を除く): 12598225

約数列:

[1, 5, 25, 29, 131, 145, 449, 655, 725, 2245, 3275, 3799, 11225, 13021, 18995, 58819, 65105, 94975, 294095, 325525, 1470475, 1705751, 8528755, 42643775]

約数ペア:

[(1, 42643775), (5, 8528755), (25, 1705751), (29, 1470475), (131, 325525), (145, 294095), (449, 94975), (655, 65105), (725, 58819), (2245, 18995), (3275, 13021), (3799, 11225)]