131280968

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{180331}}^1$

素因数の和:180357

約数の個数: 32

約数和(自身を含む): 302957760

約数和(自身を除く): 171676792

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 180331, 360662, 721324, 1262317, 1442648, 2344303, 2524634, 4688606, 5049268, 9377212, 10098536, 16410121, 18754424, 32820242, 65640484, 131280968]

約数ペア:

[(1, 131280968), (2, 65640484), (4, 32820242), (7, 18754424), (8, 16410121), (13, 10098536), (14, 9377212), (26, 5049268), (28, 4688606), (52, 2524634), (56, 2344303), (91, 1442648), (104, 1262317), (182, 721324), (364, 360662), (728, 180331)]