398804984

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{90473}}^1$

素因数の和:90527

約数の個数: 32

約数和(自身を含む): 814266000

約数和(自身を除く): 415461016

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4408, 90473, 180946, 361892, 723784, 1718987, 2623717, 3437974, 5247434, 6875948, 10494868, 13751896, 20989736, 49850623, 99701246, 199402492, 398804984]

約数ペア:

[(1, 398804984), (2, 199402492), (4, 99701246), (8, 49850623), (19, 20989736), (29, 13751896), (38, 10494868), (58, 6875948), (76, 5247434), (116, 3437974), (152, 2623717), (232, 1718987), (551, 723784), (1102, 361892), (2204, 180946), (4408, 90473)]