209779076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1879}}^1$

素因数の和:2028

約数の個数: 48

約数和(自身を含む): 420067200

約数和(自身を除く): 210288124

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 113, 226, 247, 452, 494, 988, 1469, 1879, 2147, 2938, 3758, 4294, 5876, 7516, 8588, 24427, 27911, 35701, 48854, 55822, 71402, 97708, 111644, 142804, 212327, 424654, 464113, 849308, 928226, 1856452, 2760251, 4034213, 5520502, 8068426, 11041004, 16136852, 52444769, 104889538, 209779076]

約数ペア:

[(1, 209779076), (2, 104889538), (4, 52444769), (13, 16136852), (19, 11041004), (26, 8068426), (38, 5520502), (52, 4034213), (76, 2760251), (113, 1856452), (226, 928226), (247, 849308), (452, 464113), (494, 424654), (988, 212327), (1469, 142804), (1879, 111644), (2147, 97708), (2938, 71402), (3758, 55822), (4294, 48854), (5876, 35701), (7516, 27911), (8588, 24427)]