81127788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{601}}^1\times {\mathrm{1607}}^1$

素因数の和:2222

約数の個数: 48

約数和(自身を含む): 216835584

約数和(自身を除く): 135707796

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 601, 1202, 1607, 1803, 2404, 3214, 3606, 4207, 4821, 6428, 7212, 8414, 9642, 11249, 12621, 16828, 19284, 22498, 25242, 33747, 44996, 50484, 67494, 134988, 965807, 1931614, 2897421, 3863228, 5794842, 6760649, 11589684, 13521298, 20281947, 27042596, 40563894, 81127788]

約数ペア:

[(1, 81127788), (2, 40563894), (3, 27042596), (4, 20281947), (6, 13521298), (7, 11589684), (12, 6760649), (14, 5794842), (21, 3863228), (28, 2897421), (42, 1931614), (84, 965807), (601, 134988), (1202, 67494), (1607, 50484), (1803, 44996), (2404, 33747), (3214, 25242), (3606, 22498), (4207, 19284), (4821, 16828), (6428, 12621), (7212, 11249), (8414, 9642)]