2109497105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1\times {\mathrm{991}}^1$

素因数の和:1409

約数の個数: 32

約数和(自身を含む): 2725539840

約数和(自身を除く): 616042735

約数列:

[1, 5, 17, 79, 85, 317, 395, 991, 1343, 1585, 4955, 5389, 6715, 16847, 25043, 26945, 78289, 84235, 125215, 314147, 391445, 425731, 1330913, 1570735, 2128655, 5340499, 6654565, 24817613, 26702495, 124088065, 421899421, 2109497105]

約数ペア:

[(1, 2109497105), (5, 421899421), (17, 124088065), (79, 26702495), (85, 24817613), (317, 6654565), (395, 5340499), (991, 2128655), (1343, 1570735), (1585, 1330913), (4955, 425731), (5389, 391445), (6715, 314147), (16847, 125215), (25043, 84235), (26945, 78289)]