28120824

素因数分解:

$2^3\times 3^3\times {\mathrm{101}}^1\times {\mathrm{1289}}^1$

素因数の和:1405

約数の個数: 64

約数和(自身を含む): 78948000

約数和(自身を除く): 50827176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 101, 108, 202, 216, 303, 404, 606, 808, 909, 1212, 1289, 1818, 2424, 2578, 2727, 3636, 3867, 5156, 5454, 7272, 7734, 10312, 10908, 11601, 15468, 21816, 23202, 30936, 34803, 46404, 69606, 92808, 130189, 139212, 260378, 278424, 390567, 520756, 781134, 1041512, 1171701, 1562268, 2343402, 3124536, 3515103, 4686804, 7030206, 9373608, 14060412, 28120824]

約数ペア:

[(1, 28120824), (2, 14060412), (3, 9373608), (4, 7030206), (6, 4686804), (8, 3515103), (9, 3124536), (12, 2343402), (18, 1562268), (24, 1171701), (27, 1041512), (36, 781134), (54, 520756), (72, 390567), (101, 278424), (108, 260378), (202, 139212), (216, 130189), (303, 92808), (404, 69606), (606, 46404), (808, 34803), (909, 30936), (1212, 23202), (1289, 21816), (1818, 15468), (2424, 11601), (2578, 10908), (2727, 10312), (3636, 7734), (3867, 7272), (5156, 5454)]