68818828

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:275

約数の個数: 48

約数和(自身を含む): 134346240

約数和(自身を除く): 65527412

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 169, 191, 338, 382, 533, 676, 764, 1066, 2132, 2197, 2483, 4394, 4966, 6929, 7831, 8788, 9932, 13858, 15662, 27716, 31324, 32279, 64558, 90077, 101803, 129116, 180154, 203606, 360308, 407212, 419627, 839254, 1323439, 1678508, 2646878, 5293756, 17204707, 34409414, 68818828]

約数ペア:

[(1, 68818828), (2, 34409414), (4, 17204707), (13, 5293756), (26, 2646878), (41, 1678508), (52, 1323439), (82, 839254), (164, 419627), (169, 407212), (191, 360308), (338, 203606), (382, 180154), (533, 129116), (676, 101803), (764, 90077), (1066, 64558), (2132, 32279), (2197, 31324), (2483, 27716), (4394, 15662), (4966, 13858), (6929, 9932), (7831, 8788)]