2021601491

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 2630983680

約数和(自身を除く): 609382189

約数列:

[1, 7, 13, 23, 91, 161, 169, 191, 299, 389, 1183, 1337, 2093, 2483, 2723, 3887, 4393, 5057, 8947, 17381, 27209, 30751, 32279, 35399, 57109, 62629, 65741, 74299, 116311, 225953, 399763, 460187, 520093, 742417, 814177, 965887, 1512043, 1708877, 5196919, 6761209, 10584301, 11962139, 12556531, 22215401, 87895717, 155507807, 288800213, 2021601491]

約数ペア:

[(1, 2021601491), (7, 288800213), (13, 155507807), (23, 87895717), (91, 22215401), (161, 12556531), (169, 11962139), (191, 10584301), (299, 6761209), (389, 5196919), (1183, 1708877), (1337, 1512043), (2093, 965887), (2483, 814177), (2723, 742417), (3887, 520093), (4393, 460187), (5057, 399763), (8947, 225953), (17381, 116311), (27209, 74299), (30751, 65741), (32279, 62629), (35399, 57109)]