991489708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1325521}}^1$

素因数の和:1325553

約数の個数: 24

約数和(自身を含む): 2004189264

約数和(自身を除く): 1012699556

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 1325521, 2651042, 5302084, 14580731, 22533857, 29161462, 45067714, 58322924, 90135428, 247872427, 495744854, 991489708]

約数ペア:

[(1, 991489708), (2, 495744854), (4, 247872427), (11, 90135428), (17, 58322924), (22, 45067714), (34, 29161462), (44, 22533857), (68, 14580731), (187, 5302084), (374, 2651042), (748, 1325521)]