81174816

素因数分解:

$2^5\times 3^2\times {\mathrm{281857}}^1$

素因数の和:281873

約数の個数: 36

約数和(自身を含む): 230841702

約数和(自身を除く): 149666886

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 281857, 563714, 845571, 1127428, 1691142, 2254856, 2536713, 3382284, 4509712, 5073426, 6764568, 9019424, 10146852, 13529136, 20293704, 27058272, 40587408, 81174816]

約数ペア:

[(1, 81174816), (2, 40587408), (3, 27058272), (4, 20293704), (6, 13529136), (8, 10146852), (9, 9019424), (12, 6764568), (16, 5073426), (18, 4509712), (24, 3382284), (32, 2536713), (36, 2254856), (48, 1691142), (72, 1127428), (96, 845571), (144, 563714), (288, 281857)]