28877213

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 31491072

約数和(自身を除く): 2613859

約数列:

[1, 23, 31, 101, 401, 713, 2323, 3131, 9223, 12431, 40501, 72013, 285913, 931523, 1255531, 28877213]

約数ペア:

[(1, 28877213), (23, 1255531), (31, 931523), (101, 285913), (401, 72013), (713, 40501), (2323, 12431), (3131, 9223)]