15661971985

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{967}}^1\times {\mathrm{1409}}^1$

素因数の和:2422

約数の個数: 48

約数和(自身を含む): 21783484800

約数和(自身を除く): 6121512815

約数列:

[1, 5, 11, 19, 55, 95, 121, 209, 605, 967, 1045, 1409, 2299, 4835, 7045, 10637, 11495, 15499, 18373, 26771, 53185, 77495, 91865, 117007, 133855, 170489, 202103, 294481, 585035, 852445, 1010515, 1362503, 1472405, 2223133, 3239291, 6812515, 11115665, 14987533, 16196455, 25887557, 74937665, 129437785, 164862863, 284763127, 824314315, 1423815635, 3132394397, 15661971985]

約数ペア:

[(1, 15661971985), (5, 3132394397), (11, 1423815635), (19, 824314315), (55, 284763127), (95, 164862863), (121, 129437785), (209, 74937665), (605, 25887557), (967, 16196455), (1045, 14987533), (1409, 11115665), (2299, 6812515), (4835, 3239291), (7045, 2223133), (10637, 1472405), (11495, 1362503), (15499, 1010515), (18373, 852445), (26771, 585035), (53185, 294481), (77495, 202103), (91865, 170489), (117007, 133855)]