65971490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{997}}^1$

素因数の和:1526

約数の個数: 32

約数和(自身を含む): 128262960

約数和(自身を除く): 62291470

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 509, 997, 1018, 1994, 2545, 4985, 5090, 6617, 9970, 12961, 13234, 25922, 33085, 64805, 66170, 129610, 507473, 1014946, 2537365, 5074730, 6597149, 13194298, 32985745, 65971490]

約数ペア:

[(1, 65971490), (2, 32985745), (5, 13194298), (10, 6597149), (13, 5074730), (26, 2537365), (65, 1014946), (130, 507473), (509, 129610), (997, 66170), (1018, 64805), (1994, 33085), (2545, 25922), (4985, 13234), (5090, 12961), (6617, 9970)]