86974490

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1\times {\mathrm{241}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 158906880

約数和(自身を除く): 71932390

約数列:

[1, 2, 5, 10, 151, 239, 241, 302, 478, 482, 755, 1195, 1205, 1510, 2390, 2410, 36089, 36391, 57599, 72178, 72782, 115198, 180445, 181955, 287995, 360890, 363910, 575990, 8697449, 17394898, 43487245, 86974490]

約数ペア:

[(1, 86974490), (2, 43487245), (5, 17394898), (10, 8697449), (151, 575990), (239, 363910), (241, 360890), (302, 287995), (478, 181955), (482, 180445), (755, 115198), (1195, 72782), (1205, 72178), (1510, 57599), (2390, 36391), (2410, 36089)]