28506808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{7901}}^1$

素因数の和:7959

約数の個数: 32

約数和(自身を含む): 59739120

約数和(自身を除く): 31232312

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 7901, 15802, 31604, 63208, 86911, 173822, 323941, 347644, 647882, 695288, 1295764, 2591528, 3563351, 7126702, 14253404, 28506808]

約数ペア:

[(1, 28506808), (2, 14253404), (4, 7126702), (8, 3563351), (11, 2591528), (22, 1295764), (41, 695288), (44, 647882), (82, 347644), (88, 323941), (164, 173822), (328, 86911), (451, 63208), (902, 31604), (1804, 15802), (3608, 7901)]