31236205

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^2$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 50972544

約数和(自身を除く): 19736339

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 79, 91, 143, 385, 395, 455, 553, 715, 869, 1001, 1027, 2765, 4345, 5005, 5135, 6083, 6241, 7189, 11297, 30415, 31205, 35945, 43687, 56485, 68651, 79079, 81133, 218435, 343255, 395395, 405665, 480557, 567931, 892463, 2402785, 2839655, 4462315, 6247241, 31236205]

約数ペア:

[(1, 31236205), (5, 6247241), (7, 4462315), (11, 2839655), (13, 2402785), (35, 892463), (55, 567931), (65, 480557), (77, 405665), (79, 395395), (91, 343255), (143, 218435), (385, 81133), (395, 79079), (455, 68651), (553, 56485), (715, 43687), (869, 35945), (1001, 31205), (1027, 30415), (2765, 11297), (4345, 7189), (5005, 6241), (5135, 6083)]