81327498

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 190709760

約数和(自身を除く): 109382262

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 127, 158, 193, 237, 254, 381, 386, 474, 553, 579, 762, 889, 1106, 1158, 1351, 1659, 1778, 2667, 2702, 3318, 4053, 5334, 8106, 10033, 15247, 20066, 24511, 30099, 30494, 45741, 49022, 60198, 70231, 73533, 91482, 106729, 140462, 147066, 171577, 210693, 213458, 320187, 343154, 421386, 514731, 640374, 1029462, 1936369, 3872738, 5809107, 11618214, 13554583, 27109166, 40663749, 81327498]

約数ペア:

[(1, 81327498), (2, 40663749), (3, 27109166), (6, 13554583), (7, 11618214), (14, 5809107), (21, 3872738), (42, 1936369), (79, 1029462), (127, 640374), (158, 514731), (193, 421386), (237, 343154), (254, 320187), (381, 213458), (386, 210693), (474, 171577), (553, 147066), (579, 140462), (762, 106729), (889, 91482), (1106, 73533), (1158, 70231), (1351, 60198), (1659, 49022), (1778, 45741), (2667, 30494), (2702, 30099), (3318, 24511), (4053, 20066), (5334, 15247), (8106, 10033)]