81661968

素因数分解:

$2^4\times 3^2\times {\mathrm{567097}}^1$

素因数の和:567111

約数の個数: 30

約数和(自身を含む): 228540494

約数和(自身を除く): 146878526

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 567097, 1134194, 1701291, 2268388, 3402582, 4536776, 5103873, 6805164, 9073552, 10207746, 13610328, 20415492, 27220656, 40830984, 81661968]

約数ペア:

[(1, 81661968), (2, 40830984), (3, 27220656), (4, 20415492), (6, 13610328), (8, 10207746), (9, 9073552), (12, 6805164), (16, 5103873), (18, 4536776), (24, 3402582), (36, 2268388), (48, 1701291), (72, 1134194), (144, 567097)]