31160779

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 38525760

約数和(自身を除く): 7364981

約数列:

[1, 13, 17, 19, 41, 181, 221, 247, 323, 533, 697, 779, 2353, 3077, 3439, 4199, 7421, 9061, 10127, 13243, 40001, 44707, 58463, 96473, 126157, 140999, 172159, 760019, 1640041, 1832987, 2396983, 31160779]

約数ペア:

[(1, 31160779), (13, 2396983), (17, 1832987), (19, 1640041), (41, 760019), (181, 172159), (221, 140999), (247, 126157), (323, 96473), (533, 58463), (697, 44707), (779, 40001), (2353, 13243), (3077, 10127), (3439, 9061), (4199, 7421)]