31297825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 13699295

約数列:

[1, 5, 13, 23, 25, 53, 65, 79, 115, 265, 299, 325, 395, 575, 689, 1027, 1219, 1325, 1495, 1817, 1975, 3445, 4187, 5135, 6095, 7475, 9085, 15847, 17225, 20935, 23621, 25675, 30475, 45425, 54431, 79235, 96301, 104675, 118105, 272155, 396175, 481505, 590525, 1251913, 1360775, 2407525, 6259565, 31297825]

約数ペア:

[(1, 31297825), (5, 6259565), (13, 2407525), (23, 1360775), (25, 1251913), (53, 590525), (65, 481505), (79, 396175), (115, 272155), (265, 118105), (299, 104675), (325, 96301), (395, 79235), (575, 54431), (689, 45425), (1027, 30475), (1219, 25675), (1325, 23621), (1495, 20935), (1817, 17225), (1975, 15847), (3445, 9085), (4187, 7475), (5135, 6095)]