66774455

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 95823840

約数和(自身を除く): 29049385

約数列:

[1, 5, 11, 19, 37, 55, 95, 121, 157, 185, 209, 407, 605, 703, 785, 1045, 1727, 2035, 2299, 2983, 3515, 4477, 5809, 7733, 8635, 11495, 14915, 18997, 22385, 29045, 32813, 38665, 63899, 85063, 94985, 110371, 164065, 319495, 360943, 425315, 551855, 702889, 1214081, 1804715, 3514445, 6070405, 13354891, 66774455]

約数ペア:

[(1, 66774455), (5, 13354891), (11, 6070405), (19, 3514445), (37, 1804715), (55, 1214081), (95, 702889), (121, 551855), (157, 425315), (185, 360943), (209, 319495), (407, 164065), (605, 110371), (703, 94985), (785, 85063), (1045, 63899), (1727, 38665), (2035, 32813), (2299, 29045), (2983, 22385), (3515, 18997), (4477, 14915), (5809, 11495), (7733, 8635)]