1138991690

素因数分解:

$2^1\times 5^1\times {\mathrm{6971}}^1\times {\mathrm{16339}}^1$

素因数の和:23317

約数の個数: 16

約数和(自身を含む): 2050604640

約数和(自身を除く): 911612950

約数列:

[1, 2, 5, 10, 6971, 13942, 16339, 32678, 34855, 69710, 81695, 163390, 113899169, 227798338, 569495845, 1138991690]

約数ペア:

[(1, 1138991690), (2, 569495845), (5, 227798338), (10, 113899169), (6971, 163390), (13942, 81695), (16339, 69710), (32678, 34855)]