71247935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 99537984

約数和(自身を除く): 28290049

約数列:

[1, 5, 11, 17, 55, 85, 181, 187, 421, 905, 935, 1991, 2105, 3077, 4631, 7157, 9955, 15385, 23155, 33847, 35785, 76201, 78727, 169235, 381005, 393635, 838211, 1295417, 4191055, 6477085, 14249587, 71247935]

約数ペア:

[(1, 71247935), (5, 14249587), (11, 6477085), (17, 4191055), (55, 1295417), (85, 838211), (181, 393635), (187, 381005), (421, 169235), (905, 78727), (935, 76201), (1991, 35785), (2105, 33847), (3077, 23155), (4631, 15385), (7157, 9955)]