1581008

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:723

約数の個数: 40

約数和(自身を含む): 3603936

約数和(自身を除く): 2022928

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 691, 1144, 1382, 2288, 2764, 5528, 7601, 8983, 11056, 15202, 17966, 30404, 35932, 60808, 71864, 98813, 121616, 143728, 197626, 395252, 790504, 1581008]

約数ペア:

[(1, 1581008), (2, 790504), (4, 395252), (8, 197626), (11, 143728), (13, 121616), (16, 98813), (22, 71864), (26, 60808), (44, 35932), (52, 30404), (88, 17966), (104, 15202), (143, 11056), (176, 8983), (208, 7601), (286, 5528), (572, 2764), (691, 2288), (1144, 1382)]