817553690

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1\times {\mathrm{1321}}^1$

素因数の和:1838

約数の個数: 32

約数和(自身を含む): 1484870400

約数和(自身を除く): 667316710

約数列:

[1, 2, 5, 10, 199, 311, 398, 622, 995, 1321, 1555, 1990, 2642, 3110, 6605, 13210, 61889, 123778, 262879, 309445, 410831, 525758, 618890, 821662, 1314395, 2054155, 2628790, 4108310, 81755369, 163510738, 408776845, 817553690]

約数ペア:

[(1, 817553690), (2, 408776845), (5, 163510738), (10, 81755369), (199, 4108310), (311, 2628790), (398, 2054155), (622, 1314395), (995, 821662), (1321, 618890), (1555, 525758), (1990, 410831), (2642, 309445), (3110, 262879), (6605, 123778), (13210, 61889)]