64784951

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 85183488

約数和(自身を除く): 20398537

約数列:

[1, 7, 11, 23, 77, 157, 161, 233, 253, 1099, 1631, 1727, 1771, 2563, 3611, 5359, 12089, 17941, 25277, 36581, 37513, 39721, 58949, 256067, 278047, 402391, 412643, 841363, 2816737, 5889541, 9254993, 64784951]

約数ペア:

[(1, 64784951), (7, 9254993), (11, 5889541), (23, 2816737), (77, 841363), (157, 412643), (161, 402391), (233, 278047), (253, 256067), (1099, 58949), (1631, 39721), (1727, 37513), (1771, 36581), (2563, 25277), (3611, 17941), (5359, 12089)]