81282646

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 133125120

約数和(自身を除く): 51842474

約数列:

[1, 2, 19, 38, 47, 71, 94, 142, 641, 893, 1282, 1349, 1786, 2698, 3337, 6674, 12179, 24358, 30127, 45511, 60254, 63403, 91022, 126806, 572413, 864709, 1144826, 1729418, 2139017, 4278034, 40641323, 81282646]

約数ペア:

[(1, 81282646), (2, 40641323), (19, 4278034), (38, 2139017), (47, 1729418), (71, 1144826), (94, 864709), (142, 572413), (641, 126806), (893, 91022), (1282, 63403), (1349, 60254), (1786, 45511), (2698, 30127), (3337, 24358), (6674, 12179)]