85042664

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 187971840

約数和(自身を除く): 102929176

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 73, 142, 146, 284, 292, 293, 497, 511, 568, 584, 586, 994, 1022, 1172, 1988, 2044, 2051, 2344, 3976, 4088, 4102, 5183, 8204, 10366, 16408, 20732, 20803, 21389, 36281, 41464, 41606, 42778, 72562, 83212, 85556, 145124, 145621, 149723, 166424, 171112, 290248, 291242, 299446, 582484, 598892, 1164968, 1197784, 1518619, 3037238, 6074476, 10630333, 12148952, 21260666, 42521332, 85042664]

約数ペア:

[(1, 85042664), (2, 42521332), (4, 21260666), (7, 12148952), (8, 10630333), (14, 6074476), (28, 3037238), (56, 1518619), (71, 1197784), (73, 1164968), (142, 598892), (146, 582484), (284, 299446), (292, 291242), (293, 290248), (497, 171112), (511, 166424), (568, 149723), (584, 145621), (586, 145124), (994, 85556), (1022, 83212), (1172, 72562), (1988, 42778), (2044, 41606), (2051, 41464), (2344, 36281), (3976, 21389), (4088, 20803), (4102, 20732), (5183, 16408), (8204, 10366)]