991330508

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{503}}^1\times {\mathrm{1193}}^1$

素因数の和:1766

約数の個数: 48

約数和(自身を含む): 2021967360

約数和(自身を除く): 1030636852

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 503, 826, 1006, 1193, 1652, 2012, 2386, 3521, 4772, 7042, 8351, 14084, 16702, 29677, 33404, 59354, 70387, 118708, 140774, 207739, 281548, 415478, 492709, 600079, 830956, 985418, 1200158, 1970836, 2400316, 4200553, 8401106, 16802212, 35404661, 70809322, 141618644, 247832627, 495665254, 991330508]

約数ペア:

[(1, 991330508), (2, 495665254), (4, 247832627), (7, 141618644), (14, 70809322), (28, 35404661), (59, 16802212), (118, 8401106), (236, 4200553), (413, 2400316), (503, 1970836), (826, 1200158), (1006, 985418), (1193, 830956), (1652, 600079), (2012, 492709), (2386, 415478), (3521, 281548), (4772, 207739), (7042, 140774), (8351, 118708), (14084, 70387), (16702, 59354), (29677, 33404)]