81236552

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{1223}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 167883840

約数和(自身を除く): 86647288

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 361, 437, 722, 874, 1223, 1444, 1748, 2446, 2888, 3496, 4892, 8303, 9784, 16606, 23237, 28129, 33212, 46474, 56258, 66424, 92948, 112516, 185896, 225032, 441503, 534451, 883006, 1068902, 1766012, 2137804, 3532024, 4275608, 10154569, 20309138, 40618276, 81236552]

約数ペア:

[(1, 81236552), (2, 40618276), (4, 20309138), (8, 10154569), (19, 4275608), (23, 3532024), (38, 2137804), (46, 1766012), (76, 1068902), (92, 883006), (152, 534451), (184, 441503), (361, 225032), (437, 185896), (722, 112516), (874, 92948), (1223, 66424), (1444, 56258), (1748, 46474), (2446, 33212), (2888, 28129), (3496, 23237), (4892, 16606), (8303, 9784)]