99904805

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19961}}^1$

素因数の和:19997

約数の個数: 32

約数和(自身を含む): 160973568

約数和(自身を除く): 61068763

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 19961, 99805, 139727, 219571, 259493, 698635, 1097855, 1297465, 1536997, 1816451, 2854423, 7684985, 9082255, 14272115, 19980961, 99904805]

約数ペア:

[(1, 99904805), (5, 19980961), (7, 14272115), (11, 9082255), (13, 7684985), (35, 2854423), (55, 1816451), (65, 1536997), (77, 1297465), (91, 1097855), (143, 698635), (385, 259493), (455, 219571), (715, 139727), (1001, 99805), (5005, 19961)]