199954612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20563}}^1$

素因数の和:20608

約数の個数: 48

約数和(自身を含む): 435298752

約数和(自身を除く): 235344140

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 748, 884, 2431, 4862, 9724, 20563, 41126, 82252, 226193, 267319, 349571, 452386, 534638, 699142, 904772, 1069276, 1398284, 2940509, 3845281, 4544423, 5881018, 7690562, 9088846, 11762036, 15381124, 18177692, 49988653, 99977306, 199954612]

約数ペア:

[(1, 199954612), (2, 99977306), (4, 49988653), (11, 18177692), (13, 15381124), (17, 11762036), (22, 9088846), (26, 7690562), (34, 5881018), (44, 4544423), (52, 3845281), (68, 2940509), (143, 1398284), (187, 1069276), (221, 904772), (286, 699142), (374, 534638), (442, 452386), (572, 349571), (748, 267319), (884, 226193), (2431, 82252), (4862, 41126), (9724, 20563)]