223666820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{860257}}^1$

素因数の和:860279

約数の個数: 24

約数和(自身を含む): 505831704

約数和(自身を除く): 282164884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 860257, 1720514, 3441028, 4301285, 8602570, 11183341, 17205140, 22366682, 44733364, 55916705, 111833410, 223666820]

約数ペア:

[(1, 223666820), (2, 111833410), (4, 55916705), (5, 44733364), (10, 22366682), (13, 17205140), (20, 11183341), (26, 8602570), (52, 4301285), (65, 3441028), (130, 1720514), (260, 860257)]