855405838

素因数分解:

$2^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{313}}^1\times {\mathrm{353}}^1$

素因数の和:761

約数の個数: 48

約数和(自身を含む): 1520614080

約数和(自身を除く): 665208242

約数列:

[1, 2, 7, 14, 49, 79, 98, 158, 313, 353, 553, 626, 706, 1106, 2191, 2471, 3871, 4382, 4942, 7742, 15337, 17297, 24727, 27887, 30674, 34594, 49454, 55774, 110489, 173089, 195209, 220978, 346178, 390418, 773423, 1211623, 1366463, 1546846, 2423246, 2732926, 5413961, 8728631, 10827922, 17457262, 61100417, 122200834, 427702919, 855405838]

約数ペア:

[(1, 855405838), (2, 427702919), (7, 122200834), (14, 61100417), (49, 17457262), (79, 10827922), (98, 8728631), (158, 5413961), (313, 2732926), (353, 2423246), (553, 1546846), (626, 1366463), (706, 1211623), (1106, 773423), (2191, 390418), (2471, 346178), (3871, 220978), (4382, 195209), (4942, 173089), (7742, 110489), (15337, 55774), (17297, 49454), (24727, 34594), (27887, 30674)]