198668015

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{5527}}^1$

素因数の和:5631

約数の個数: 32

約数和(自身を含む): 297185280

約数和(自身を除く): 98517265

約数列:

[1, 5, 7, 13, 35, 65, 79, 91, 395, 455, 553, 1027, 2765, 5135, 5527, 7189, 27635, 35945, 38689, 71851, 193445, 359255, 436633, 502957, 2183165, 2514785, 3056431, 5676229, 15282155, 28381145, 39733603, 198668015]

約数ペア:

[(1, 198668015), (5, 39733603), (7, 28381145), (13, 15282155), (35, 5676229), (65, 3056431), (79, 2514785), (91, 2183165), (395, 502957), (455, 436633), (553, 359255), (1027, 193445), (2765, 71851), (5135, 38689), (5527, 35945), (7189, 27635)]