817995035

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:608

約数の個数: 64

約数和(自身を含む): 1231251840

約数和(自身を除く): 413256805

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 173, 187, 221, 389, 715, 865, 935, 1105, 1903, 1945, 2249, 2431, 2941, 4279, 5057, 6613, 9515, 11245, 12155, 14705, 21395, 24739, 25285, 32351, 33065, 38233, 55627, 67297, 72743, 85969, 123695, 161755, 191165, 278135, 336485, 363715, 420563, 429845, 740267, 874861, 945659, 1144049, 2102815, 3701335, 4374305, 4728295, 5720245, 9623471, 12584539, 14872637, 48117355, 62922695, 74363185, 163599007, 817995035]

約数ペア:

[(1, 817995035), (5, 163599007), (11, 74363185), (13, 62922695), (17, 48117355), (55, 14872637), (65, 12584539), (85, 9623471), (143, 5720245), (173, 4728295), (187, 4374305), (221, 3701335), (389, 2102815), (715, 1144049), (865, 945659), (935, 874861), (1105, 740267), (1903, 429845), (1945, 420563), (2249, 363715), (2431, 336485), (2941, 278135), (4279, 191165), (5057, 161755), (6613, 123695), (9515, 85969), (11245, 72743), (12155, 67297), (14705, 55627), (21395, 38233), (24739, 33065), (25285, 32351)]