221569872784

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{81941521}}^1$

素因数の和:81941555

約数の個数: 30

約数和(自身を含む): 464854254306

約数和(自身を除く): 243284381522

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 81941521, 163883042, 327766084, 655532168, 1065239773, 1311064336, 2130479546, 4260959092, 8521918184, 13848117049, 17043836368, 27696234098, 55392468196, 110784936392, 221569872784]

約数ペア:

[(1, 221569872784), (2, 110784936392), (4, 55392468196), (8, 27696234098), (13, 17043836368), (16, 13848117049), (26, 8521918184), (52, 4260959092), (104, 2130479546), (169, 1311064336), (208, 1065239773), (338, 655532168), (676, 327766084), (1352, 163883042), (2704, 81941521)]