90888455

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 128798208

約数和(自身を除く): 37909753

約数列:

[1, 5, 7, 35, 43, 131, 215, 301, 461, 655, 917, 1505, 2305, 3227, 4585, 5633, 16135, 19823, 28165, 39431, 60391, 99115, 138761, 197155, 301955, 422737, 693805, 2113685, 2596813, 12984065, 18177691, 90888455]

約数ペア:

[(1, 90888455), (5, 18177691), (7, 12984065), (35, 2596813), (43, 2113685), (131, 693805), (215, 422737), (301, 301955), (461, 197155), (655, 138761), (917, 99115), (1505, 60391), (2305, 39431), (3227, 28165), (4585, 19823), (5633, 16135)]