2490181309

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^2\times {\mathrm{397}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 3281685120

約数和(自身を除く): 791503811

約数列:

[1, 7, 11, 29, 53, 77, 203, 319, 371, 397, 583, 1537, 2233, 2779, 2809, 4081, 4367, 10759, 11513, 16907, 19663, 21041, 30569, 30899, 80591, 81461, 118349, 126643, 147287, 216293, 231451, 570227, 610189, 886501, 896071, 1115173, 1620157, 4271323, 6272497, 6712079, 7806211, 12266903, 32340017, 46984553, 85868321, 226380119, 355740187, 2490181309]

約数ペア:

[(1, 2490181309), (7, 355740187), (11, 226380119), (29, 85868321), (53, 46984553), (77, 32340017), (203, 12266903), (319, 7806211), (371, 6712079), (397, 6272497), (583, 4271323), (1537, 1620157), (2233, 1115173), (2779, 896071), (2809, 886501), (4081, 610189), (4367, 570227), (10759, 231451), (11513, 216293), (16907, 147287), (19663, 126643), (21041, 118349), (30569, 81461), (30899, 80591)]