971128210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{47581}}^1$

素因数の和:47758

約数の個数: 32

約数和(自身を含む): 1894524912

約数和(自身を除く): 923396702

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 1570, 2041, 4082, 10205, 20410, 47581, 95162, 237905, 475810, 618553, 1237106, 3092765, 6185530, 7470217, 14940434, 37351085, 74702170, 97112821, 194225642, 485564105, 971128210]

約数ペア:

[(1, 971128210), (2, 485564105), (5, 194225642), (10, 97112821), (13, 74702170), (26, 37351085), (65, 14940434), (130, 7470217), (157, 6185530), (314, 3092765), (785, 1237106), (1570, 618553), (2041, 475810), (4082, 237905), (10205, 95162), (20410, 47581)]