167236420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643217}}^1$

素因数の和:643239

約数の個数: 24

約数和(自身を含む): 378212184

約数和(自身を除く): 210975764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 643217, 1286434, 2572868, 3216085, 6432170, 8361821, 12864340, 16723642, 33447284, 41809105, 83618210, 167236420]

約数ペア:

[(1, 167236420), (2, 83618210), (4, 41809105), (5, 33447284), (10, 16723642), (13, 12864340), (20, 8361821), (26, 6432170), (52, 3216085), (65, 2572868), (130, 1286434), (260, 643217)]