395840018

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{2467}}^1$

素因数の和:2706

約数の個数: 32

約数和(自身を含む): 692540544

約数和(自身を除く): 296700526

約数列:

[1, 2, 7, 14, 73, 146, 157, 314, 511, 1022, 1099, 2198, 2467, 4934, 11461, 17269, 22922, 34538, 80227, 160454, 180091, 360182, 387319, 774638, 1260637, 2521274, 2711233, 5422466, 28274287, 56548574, 197920009, 395840018]

約数ペア:

[(1, 395840018), (2, 197920009), (7, 56548574), (14, 28274287), (73, 5422466), (146, 2711233), (157, 2521274), (314, 1260637), (511, 774638), (1022, 387319), (1099, 360182), (2198, 180091), (2467, 160454), (4934, 80227), (11461, 34538), (17269, 22922)]