28221804

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{20101}}^1$

素因数の和:20127

約数の個数: 48

約数和(自身を含む): 78799840

約数和(自身を除く): 50578036

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 20101, 40202, 60303, 80404, 120606, 180909, 241212, 261313, 361818, 522626, 542727, 723636, 783939, 1045252, 1085454, 1567878, 2170908, 2351817, 3135756, 4703634, 7055451, 9407268, 14110902, 28221804]

約数ペア:

[(1, 28221804), (2, 14110902), (3, 9407268), (4, 7055451), (6, 4703634), (9, 3135756), (12, 2351817), (13, 2170908), (18, 1567878), (26, 1085454), (27, 1045252), (36, 783939), (39, 723636), (52, 542727), (54, 522626), (78, 361818), (108, 261313), (117, 241212), (156, 180909), (234, 120606), (351, 80404), (468, 60303), (702, 40202), (1404, 20101)]