28398204

素因数分解:

$2^2\times 3^2\times {\mathrm{397}}^1\times {\mathrm{1987}}^1$

素因数の和:2394

約数の個数: 36

約数和(自身を含む): 72001384

約数和(自身を除く): 43603180

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 397, 794, 1191, 1588, 1987, 2382, 3573, 3974, 4764, 5961, 7146, 7948, 11922, 14292, 17883, 23844, 35766, 71532, 788839, 1577678, 2366517, 3155356, 4733034, 7099551, 9466068, 14199102, 28398204]

約数ペア:

[(1, 28398204), (2, 14199102), (3, 9466068), (4, 7099551), (6, 4733034), (9, 3155356), (12, 2366517), (18, 1577678), (36, 788839), (397, 71532), (794, 35766), (1191, 23844), (1588, 17883), (1987, 14292), (2382, 11922), (3573, 7948), (3974, 7146), (4764, 5961)]