28979425

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 37944000

約数和(自身を除く): 8964575

約数列:

[1, 5, 23, 25, 101, 115, 499, 505, 575, 2323, 2495, 2525, 11477, 11615, 12475, 50399, 57385, 58075, 251995, 286925, 1159177, 1259975, 5795885, 28979425]

約数ペア:

[(1, 28979425), (5, 5795885), (23, 1259975), (25, 1159177), (101, 286925), (115, 251995), (499, 58075), (505, 57385), (575, 50399), (2323, 12475), (2495, 11615), (2525, 11477)]