81779964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10939}}^1$

素因数の和:11042

約数の個数: 48

約数和(自身を含む): 220550400

約数和(自身を除く): 138770436

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 89, 178, 267, 356, 534, 623, 1068, 1246, 1869, 2492, 3738, 7476, 10939, 21878, 32817, 43756, 65634, 76573, 131268, 153146, 229719, 306292, 459438, 918876, 973571, 1947142, 2920713, 3894284, 5841426, 6814997, 11682852, 13629994, 20444991, 27259988, 40889982, 81779964]

約数ペア:

[(1, 81779964), (2, 40889982), (3, 27259988), (4, 20444991), (6, 13629994), (7, 11682852), (12, 6814997), (14, 5841426), (21, 3894284), (28, 2920713), (42, 1947142), (84, 973571), (89, 918876), (178, 459438), (267, 306292), (356, 229719), (534, 153146), (623, 131268), (1068, 76573), (1246, 65634), (1869, 43756), (2492, 32817), (3738, 21878), (7476, 10939)]