28365974

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:685

約数の個数: 48

約数和(自身を含む): 55514880

約数和(自身を除く): 27148906

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 169, 182, 247, 266, 338, 494, 631, 1183, 1262, 1729, 2366, 3211, 3458, 4417, 6422, 8203, 8834, 11989, 16406, 22477, 23978, 44954, 57421, 83923, 106639, 114842, 155857, 167846, 213278, 311714, 746473, 1090999, 1492946, 2026141, 2181998, 4052282, 14182987, 28365974]

約数ペア:

[(1, 28365974), (2, 14182987), (7, 4052282), (13, 2181998), (14, 2026141), (19, 1492946), (26, 1090999), (38, 746473), (91, 311714), (133, 213278), (169, 167846), (182, 155857), (247, 114842), (266, 106639), (338, 83923), (494, 57421), (631, 44954), (1183, 23978), (1262, 22477), (1729, 16406), (2366, 11989), (3211, 8834), (3458, 8203), (4417, 6422)]