81135894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 192614400

約数和(自身を除く): 111478506

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 109, 111, 218, 222, 259, 327, 479, 518, 654, 763, 777, 958, 1437, 1526, 1554, 2289, 2874, 3353, 4033, 4578, 6706, 8066, 10059, 12099, 17723, 20118, 24198, 28231, 35446, 52211, 53169, 56462, 84693, 104422, 106338, 124061, 156633, 169386, 248122, 313266, 365477, 372183, 730954, 744366, 1096431, 1931807, 2192862, 3863614, 5795421, 11590842, 13522649, 27045298, 40567947, 81135894]

約数ペア:

[(1, 81135894), (2, 40567947), (3, 27045298), (6, 13522649), (7, 11590842), (14, 5795421), (21, 3863614), (37, 2192862), (42, 1931807), (74, 1096431), (109, 744366), (111, 730954), (218, 372183), (222, 365477), (259, 313266), (327, 248122), (479, 169386), (518, 156633), (654, 124061), (763, 106338), (777, 104422), (958, 84693), (1437, 56462), (1526, 53169), (1554, 52211), (2289, 35446), (2874, 28231), (3353, 24198), (4033, 20118), (4578, 17723), (6706, 12099), (8066, 10059)]