178843145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{5581}}^1$

素因数の和:5645

約数の個数: 32

約数和(自身を含む): 253199520

約数和(自身を除く): 74356375

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 377, 493, 1105, 1885, 2465, 5581, 6409, 27905, 32045, 72553, 94877, 161849, 362765, 474385, 809245, 1233401, 2104037, 2751433, 6167005, 10520185, 13757165, 35768629, 178843145]

約数ペア:

[(1, 178843145), (5, 35768629), (13, 13757165), (17, 10520185), (29, 6167005), (65, 2751433), (85, 2104037), (145, 1233401), (221, 809245), (377, 474385), (493, 362765), (1105, 161849), (1885, 94877), (2465, 72553), (5581, 32045), (6409, 27905)]