15981895

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4483}}^1$

素因数の和:4542

約数の個数: 16

約数和(自身を含む): 20662272

約数和(自身を除く): 4680377

約数列:

[1, 5, 23, 31, 115, 155, 713, 3565, 4483, 22415, 103109, 138973, 515545, 694865, 3196379, 15981895]

約数ペア:

[(1, 15981895), (5, 3196379), (23, 694865), (31, 515545), (115, 138973), (155, 103109), (713, 22415), (3565, 4483)]