138718946

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 226955520

約数和(自身を除く): 88236574

約数列:

[1, 2, 17, 34, 43, 86, 239, 397, 478, 731, 794, 1462, 4063, 6749, 8126, 10277, 13498, 17071, 20554, 34142, 94883, 174709, 189766, 290207, 349418, 580414, 1613011, 3226022, 4079969, 8159938, 69359473, 138718946]

約数ペア:

[(1, 138718946), (2, 69359473), (17, 8159938), (34, 4079969), (43, 3226022), (86, 1613011), (239, 580414), (397, 349418), (478, 290207), (731, 189766), (794, 174709), (1462, 94883), (4063, 34142), (6749, 20554), (8126, 17071), (10277, 13498)]