81446728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{54443}}^1$

素因数の和:54477

約数の個数: 32

約数和(自身を含む): 176398560

約数和(自身を除く): 94951832

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 54443, 108886, 217772, 435544, 598873, 925531, 1197746, 1851062, 2395492, 3702124, 4790984, 7404248, 10180841, 20361682, 40723364, 81446728]

約数ペア:

[(1, 81446728), (2, 40723364), (4, 20361682), (8, 10180841), (11, 7404248), (17, 4790984), (22, 3702124), (34, 2395492), (44, 1851062), (68, 1197746), (88, 925531), (136, 598873), (187, 435544), (374, 217772), (748, 108886), (1496, 54443)]