28980868

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7901}}^1$

素因数の和:8043

約数の個数: 24

約数和(自身を含む): 58411584

約数和(自身を除く): 29430716

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 7901, 15802, 31604, 55307, 110614, 221228, 1035031, 2070062, 4140124, 7245217, 14490434, 28980868]

約数ペア:

[(1, 28980868), (2, 14490434), (4, 7245217), (7, 4140124), (14, 2070062), (28, 1035031), (131, 221228), (262, 110614), (524, 55307), (917, 31604), (1834, 15802), (3668, 7901)]