3998948

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 7257600

約数和(自身を除く): 3258652

約数列:

[1, 2, 4, 47, 89, 94, 178, 188, 239, 356, 478, 956, 4183, 8366, 11233, 16732, 21271, 22466, 42542, 44932, 85084, 999737, 1999474, 3998948]

約数ペア:

[(1, 3998948), (2, 1999474), (4, 999737), (47, 85084), (89, 44932), (94, 42542), (178, 22466), (188, 21271), (239, 16732), (356, 11233), (478, 8366), (956, 4183)]