28315990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{123113}}^1$

素因数の和:123143

約数の個数: 16

約数和(自身を含む): 53185248

約数和(自身を除く): 24869258

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 123113, 246226, 615565, 1231130, 2831599, 5663198, 14157995, 28315990]

約数ペア:

[(1, 28315990), (2, 14157995), (5, 5663198), (10, 2831599), (23, 1231130), (46, 615565), (115, 246226), (230, 123113)]