78372217

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1499}}^1$

素因数の和:1621

約数の個数: 24

約数和(自身を含む): 100548000

約数和(自身を除く): 22175783

約数列:

[1, 7, 11, 49, 77, 97, 539, 679, 1067, 1499, 4753, 7469, 10493, 16489, 52283, 73451, 115423, 145403, 807961, 1017821, 1599433, 7124747, 11196031, 78372217]

約数ペア:

[(1, 78372217), (7, 11196031), (11, 7124747), (49, 1599433), (77, 1017821), (97, 807961), (539, 145403), (679, 115423), (1067, 73451), (1499, 52283), (4753, 16489), (7469, 10493)]