1219389353

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 1659840000

約数和(自身を除く): 440450647

約数列:

[1, 7, 13, 19, 37, 49, 91, 133, 247, 259, 343, 389, 481, 637, 703, 931, 1729, 1813, 2723, 3367, 4459, 4921, 5057, 6517, 7391, 9139, 12103, 12691, 14393, 19061, 23569, 34447, 35399, 51737, 63973, 84721, 96083, 100751, 133427, 164983, 187109, 241129, 247793, 273467, 362159, 447811, 672581, 705257, 1309763, 1734551, 1914269, 2535113, 3134677, 3555071, 4708067, 4936799, 9168341, 13399883, 24885497, 32956469, 64178387, 93799181, 174198479, 1219389353]

約数ペア:

[(1, 1219389353), (7, 174198479), (13, 93799181), (19, 64178387), (37, 32956469), (49, 24885497), (91, 13399883), (133, 9168341), (247, 4936799), (259, 4708067), (343, 3555071), (389, 3134677), (481, 2535113), (637, 1914269), (703, 1734551), (931, 1309763), (1729, 705257), (1813, 672581), (2723, 447811), (3367, 362159), (4459, 273467), (4921, 247793), (5057, 241129), (6517, 187109), (7391, 164983), (9139, 133427), (12103, 100751), (12691, 96083), (14393, 84721), (19061, 63973), (23569, 51737), (34447, 35399)]