28538712

素因数分解:

$2^3\times 3^2\times {\mathrm{607}}^1\times {\mathrm{653}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 77538240

約数和(自身を除く): 48999528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 607, 653, 1214, 1306, 1821, 1959, 2428, 2612, 3642, 3918, 4856, 5224, 5463, 5877, 7284, 7836, 10926, 11754, 14568, 15672, 21852, 23508, 43704, 47016, 396371, 792742, 1189113, 1585484, 2378226, 3170968, 3567339, 4756452, 7134678, 9512904, 14269356, 28538712]

約数ペア:

[(1, 28538712), (2, 14269356), (3, 9512904), (4, 7134678), (6, 4756452), (8, 3567339), (9, 3170968), (12, 2378226), (18, 1585484), (24, 1189113), (36, 792742), (72, 396371), (607, 47016), (653, 43704), (1214, 23508), (1306, 21852), (1821, 15672), (1959, 14568), (2428, 11754), (2612, 10926), (3642, 7836), (3918, 7284), (4856, 5877), (5224, 5463)]