257685506

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1307}}^1\times {\mathrm{7583}}^1$

素因数の和:8905

約数の個数: 16

約数和(自身を含む): 416634624

約数和(自身を除く): 158949118

約数列:

[1, 2, 13, 26, 1307, 2614, 7583, 15166, 16991, 33982, 98579, 197158, 9910981, 19821962, 128842753, 257685506]

約数ペア:

[(1, 257685506), (2, 128842753), (13, 19821962), (26, 9910981), (1307, 197158), (2614, 98579), (7583, 33982), (15166, 16991)]