80884349

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 109932480

約数和(自身を除く): 29048131

約数列:

[1, 7, 13, 19, 41, 49, 91, 133, 163, 247, 287, 533, 637, 779, 931, 1141, 1729, 2009, 2119, 3097, 3731, 5453, 6683, 7987, 10127, 12103, 14833, 21679, 26117, 38171, 40261, 46781, 70889, 86879, 103831, 126977, 151753, 281827, 327467, 496223, 608153, 888839, 1650701, 1972789, 4257071, 6221873, 11554907, 80884349]

約数ペア:

[(1, 80884349), (7, 11554907), (13, 6221873), (19, 4257071), (41, 1972789), (49, 1650701), (91, 888839), (133, 608153), (163, 496223), (247, 327467), (287, 281827), (533, 151753), (637, 126977), (779, 103831), (931, 86879), (1141, 70889), (1729, 46781), (2009, 40261), (2119, 38171), (3097, 26117), (3731, 21679), (5453, 14833), (6683, 12103), (7987, 10127)]