13378825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 17467136

約数和(自身を除く): 4088311

約数列:

[1, 5, 25, 31, 61, 155, 283, 305, 775, 1415, 1525, 1891, 7075, 8773, 9455, 17263, 43865, 47275, 86315, 219325, 431575, 535153, 2675765, 13378825]

約数ペア:

[(1, 13378825), (5, 2675765), (25, 535153), (31, 431575), (61, 219325), (155, 86315), (283, 47275), (305, 43865), (775, 17263), (1415, 9455), (1525, 8773), (1891, 7075)]