207931955

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{1109}}^1$

素因数の和:1619

約数の個数: 32

約数和(自身を含む): 312007680

約数和(自身を除く): 104075725

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 487, 1109, 2435, 3409, 5357, 5545, 7763, 12199, 17045, 26785, 37499, 38815, 60995, 85393, 187495, 426965, 540083, 2700415, 3780581, 5940913, 18902905, 29704565, 41586391, 207931955]

約数ペア:

[(1, 207931955), (5, 41586391), (7, 29704565), (11, 18902905), (35, 5940913), (55, 3780581), (77, 2700415), (385, 540083), (487, 426965), (1109, 187495), (2435, 85393), (3409, 60995), (5357, 38815), (5545, 37499), (7763, 26785), (12199, 17045)]