81314068

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 159264000

約数和(自身を除く): 77949932

約数列:

[1, 2, 4, 11, 22, 44, 79, 149, 157, 158, 298, 314, 316, 596, 628, 869, 1639, 1727, 1738, 3278, 3454, 3476, 6556, 6908, 11771, 12403, 23393, 23542, 24806, 46786, 47084, 49612, 93572, 129481, 136433, 257323, 258962, 272866, 514646, 517924, 545732, 1029292, 1848047, 3696094, 7392188, 20328517, 40657034, 81314068]

約数ペア:

[(1, 81314068), (2, 40657034), (4, 20328517), (11, 7392188), (22, 3696094), (44, 1848047), (79, 1029292), (149, 545732), (157, 517924), (158, 514646), (298, 272866), (314, 258962), (316, 257323), (596, 136433), (628, 129481), (869, 93572), (1639, 49612), (1727, 47084), (1738, 46786), (3278, 24806), (3454, 23542), (3476, 23393), (6556, 12403), (6908, 11771)]