2799992

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 6039000

約数和(自身を除く): 3239008

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 109, 152, 169, 218, 247, 338, 436, 494, 676, 872, 988, 1352, 1417, 1976, 2071, 2834, 3211, 4142, 5668, 6422, 8284, 11336, 12844, 16568, 18421, 25688, 26923, 36842, 53846, 73684, 107692, 147368, 215384, 349999, 699998, 1399996, 2799992]

約数ペア:

[(1, 2799992), (2, 1399996), (4, 699998), (8, 349999), (13, 215384), (19, 147368), (26, 107692), (38, 73684), (52, 53846), (76, 36842), (104, 26923), (109, 25688), (152, 18421), (169, 16568), (218, 12844), (247, 11336), (338, 8284), (436, 6422), (494, 5668), (676, 4142), (872, 3211), (988, 2834), (1352, 2071), (1417, 1976)]