671944

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 1581120

約数和(自身を除く): 909176

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 71, 91, 104, 142, 169, 182, 284, 338, 364, 497, 568, 676, 728, 923, 994, 1183, 1352, 1846, 1988, 2366, 3692, 3976, 4732, 6461, 7384, 9464, 11999, 12922, 23998, 25844, 47996, 51688, 83993, 95992, 167986, 335972, 671944]

約数ペア:

[(1, 671944), (2, 335972), (4, 167986), (7, 95992), (8, 83993), (13, 51688), (14, 47996), (26, 25844), (28, 23998), (52, 12922), (56, 11999), (71, 9464), (91, 7384), (104, 6461), (142, 4732), (169, 3976), (182, 3692), (284, 2366), (338, 1988), (364, 1846), (497, 1352), (568, 1183), (676, 994), (728, 923)]