28205121008

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{19806967}}^1$

素因数の和:19807064

約数の個数: 20

約数和(自身を含む): 55261440720

約数和(自身を除く): 27056319712

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 19806967, 39613934, 79227868, 158455736, 316911472, 1762820063, 3525640126, 7051280252, 14102560504, 28205121008]

約数ペア:

[(1, 28205121008), (2, 14102560504), (4, 7051280252), (8, 3525640126), (16, 1762820063), (89, 316911472), (178, 158455736), (356, 79227868), (712, 39613934), (1424, 19806967)]