520099528

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{37}}^2\times {\mathrm{281}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 1089144630

約数和(自身を除く): 569045102

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 169, 281, 296, 338, 481, 562, 676, 962, 1124, 1352, 1369, 1924, 2248, 2738, 3653, 3848, 5476, 6253, 7306, 10397, 10952, 12506, 14612, 17797, 20794, 25012, 29224, 35594, 41588, 47489, 50024, 71188, 83176, 94978, 135161, 142376, 189956, 231361, 270322, 379912, 384689, 462722, 540644, 769378, 925444, 1081288, 1538756, 1757093, 1850888, 3077512, 3514186, 5000957, 7028372, 10001914, 14056744, 20003828, 40007656, 65012441, 130024882, 260049764, 520099528]

約数ペア:

[(1, 520099528), (2, 260049764), (4, 130024882), (8, 65012441), (13, 40007656), (26, 20003828), (37, 14056744), (52, 10001914), (74, 7028372), (104, 5000957), (148, 3514186), (169, 3077512), (281, 1850888), (296, 1757093), (338, 1538756), (481, 1081288), (562, 925444), (676, 769378), (962, 540644), (1124, 462722), (1352, 384689), (1369, 379912), (1924, 270322), (2248, 231361), (2738, 189956), (3653, 142376), (3848, 135161), (5476, 94978), (6253, 83176), (7306, 71188), (10397, 50024), (10952, 47489), (12506, 41588), (14612, 35594), (17797, 29224), (20794, 25012)]