25717228

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1321}}^1$

素因数の和:1513

約数の個数: 24

約数和(自身を含む): 46788224

約数和(自身を除く): 21070996

約数列:

[1, 2, 4, 31, 62, 124, 157, 314, 628, 1321, 2642, 4867, 5284, 9734, 19468, 40951, 81902, 163804, 207397, 414794, 829588, 6429307, 12858614, 25717228]

約数ペア:

[(1, 25717228), (2, 12858614), (4, 6429307), (31, 829588), (62, 414794), (124, 207397), (157, 163804), (314, 81902), (628, 40951), (1321, 19468), (2642, 9734), (4867, 5284)]