391121567198

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{709}}^1\times {\mathrm{46679}}^1$

素因数の和:47720

約数の個数: 32

約数和(自身を含む): 620433216000

約数和(自身を除く): 229311648802

約数列:

[1, 2, 19, 38, 311, 622, 709, 1418, 5909, 11818, 13471, 26942, 46679, 93358, 220499, 440998, 886901, 1773802, 4189481, 8378962, 14517169, 29034338, 33095411, 66190822, 275826211, 551652422, 628812809, 1257625618, 10292672821, 20585345642, 195560783599, 391121567198]

約数ペア:

[(1, 391121567198), (2, 195560783599), (19, 20585345642), (38, 10292672821), (311, 1257625618), (622, 628812809), (709, 551652422), (1418, 275826211), (5909, 66190822), (11818, 33095411), (13471, 29034338), (26942, 14517169), (46679, 8378962), (93358, 4189481), (220499, 1773802), (440998, 886901)]