28628210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220217}}^1$

素因数の和:220237

約数の個数: 16

約数和(自身を含む): 55494936

約数和(自身を除く): 26866726

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 220217, 440434, 1101085, 2202170, 2862821, 5725642, 14314105, 28628210]

約数ペア:

[(1, 28628210), (2, 14314105), (5, 5725642), (10, 2862821), (13, 2202170), (26, 1101085), (65, 440434), (130, 220217)]