81520508174

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^2\times {\mathrm{25349}}^1$

素因数の和:25565

約数の個数: 48

約数和(自身を含む): 146216772000

約数和(自身を除く): 64696263826

約数列:

[1, 2, 7, 14, 29, 58, 89, 178, 203, 406, 623, 1246, 2581, 5162, 7921, 15842, 18067, 25349, 36134, 50698, 55447, 110894, 177443, 229709, 354886, 459418, 735121, 1470242, 1607963, 2256061, 3215926, 4512122, 5145847, 10291694, 15792427, 31584854, 65425769, 130851538, 200789429, 401578858, 457980383, 915960766, 1405526003, 2811052006, 5822893441, 11645786882, 40760254087, 81520508174]

約数ペア:

[(1, 81520508174), (2, 40760254087), (7, 11645786882), (14, 5822893441), (29, 2811052006), (58, 1405526003), (89, 915960766), (178, 457980383), (203, 401578858), (406, 200789429), (623, 130851538), (1246, 65425769), (2581, 31584854), (5162, 15792427), (7921, 10291694), (15842, 5145847), (18067, 4512122), (25349, 3215926), (36134, 2256061), (50698, 1607963), (55447, 1470242), (110894, 735121), (177443, 459418), (229709, 354886)]