389589028

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 720326656

約数和(自身を除く): 330737628

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 193, 223, 292, 386, 446, 772, 892, 2263, 4526, 5983, 6913, 9052, 11966, 13826, 14089, 16279, 23932, 27652, 28178, 32558, 43039, 56356, 65116, 86078, 172156, 436759, 504649, 873518, 1009298, 1334209, 1747036, 2018596, 2668418, 3141847, 5336836, 6283694, 12567388, 97397257, 194794514, 389589028]

約数ペア:

[(1, 389589028), (2, 194794514), (4, 97397257), (31, 12567388), (62, 6283694), (73, 5336836), (124, 3141847), (146, 2668418), (193, 2018596), (223, 1747036), (292, 1334209), (386, 1009298), (446, 873518), (772, 504649), (892, 436759), (2263, 172156), (4526, 86078), (5983, 65116), (6913, 56356), (9052, 43039), (11966, 32558), (13826, 28178), (14089, 27652), (16279, 23932)]