260047645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{821}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 367887744

約数和(自身を除く): 107840099

約数列:

[1, 5, 11, 13, 55, 65, 143, 443, 715, 821, 2215, 4105, 4873, 5759, 9031, 10673, 24365, 28795, 45155, 53365, 63349, 117403, 316745, 363703, 587015, 1818515, 4000733, 4728139, 20003665, 23640695, 52009529, 260047645]

約数ペア:

[(1, 260047645), (5, 52009529), (11, 23640695), (13, 20003665), (55, 4728139), (65, 4000733), (143, 1818515), (443, 587015), (715, 363703), (821, 316745), (2215, 117403), (4105, 63349), (4873, 53365), (5759, 45155), (9031, 28795), (10673, 24365)]