391900518

素因数分解:

$2^1\times 3^4\times {\mathrm{227}}^1\times {\mathrm{10657}}^1$

素因数の和:10898

約数の個数: 40

約数和(自身を含む): 882098712

約数和(自身を除く): 490198194

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 227, 454, 681, 1362, 2043, 4086, 6129, 10657, 12258, 18387, 21314, 31971, 36774, 63942, 95913, 191826, 287739, 575478, 863217, 1726434, 2419139, 4838278, 7257417, 14514834, 21772251, 43544502, 65316753, 130633506, 195950259, 391900518]

約数ペア:

[(1, 391900518), (2, 195950259), (3, 130633506), (6, 65316753), (9, 43544502), (18, 21772251), (27, 14514834), (54, 7257417), (81, 4838278), (162, 2419139), (227, 1726434), (454, 863217), (681, 575478), (1362, 287739), (2043, 191826), (4086, 95913), (6129, 63942), (10657, 36774), (12258, 31971), (18387, 21314)]