1285688638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1\times {\mathrm{3323}}^1$

素因数の和:4008

約数の個数: 32

約数和(自身を含む): 2171183616

約数和(自身を除く): 885494978

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 647, 1294, 3323, 6646, 8411, 14881, 16822, 29762, 43199, 76429, 86398, 152858, 193453, 386906, 993577, 1987154, 2149981, 4299962, 27949753, 49449563, 55899506, 98899126, 642844319, 1285688638]

約数ペア:

[(1, 1285688638), (2, 642844319), (13, 98899126), (23, 55899506), (26, 49449563), (46, 27949753), (299, 4299962), (598, 2149981), (647, 1987154), (1294, 993577), (3323, 386906), (6646, 193453), (8411, 152858), (14881, 86398), (16822, 76429), (29762, 43199)]