81996306

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{2129}}^1$

素因数の和:2279

約数の個数: 48

約数和(自身を含む): 192313440

約数和(自身を除く): 110317134

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 131, 147, 262, 294, 393, 786, 917, 1834, 2129, 2751, 4258, 5502, 6387, 6419, 12774, 12838, 14903, 19257, 29806, 38514, 44709, 89418, 104321, 208642, 278899, 312963, 557798, 625926, 836697, 1673394, 1952293, 3904586, 5856879, 11713758, 13666051, 27332102, 40998153, 81996306]

約数ペア:

[(1, 81996306), (2, 40998153), (3, 27332102), (6, 13666051), (7, 11713758), (14, 5856879), (21, 3904586), (42, 1952293), (49, 1673394), (98, 836697), (131, 625926), (147, 557798), (262, 312963), (294, 278899), (393, 208642), (786, 104321), (917, 89418), (1834, 44709), (2129, 38514), (2751, 29806), (4258, 19257), (5502, 14903), (6387, 12838), (6419, 12774)]