219199178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{72727}}^1$

素因数の和:72877

約数の個数: 16

約数和(自身を含む): 361312704

約数和(自身を除く): 142113526

約数列:

[1, 2, 11, 22, 137, 274, 1507, 3014, 72727, 145454, 799997, 1599994, 9963599, 19927198, 109599589, 219199178]

約数ペア:

[(1, 219199178), (2, 109599589), (11, 19927198), (22, 9963599), (137, 1599994), (274, 799997), (1507, 145454), (3014, 72727)]