69319856

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:657

約数の個数: 40

約数和(自身を含む): 137491200

約数和(自身を除く): 68171344

約数列:

[1, 2, 4, 8, 16, 71, 139, 142, 278, 284, 439, 556, 568, 878, 1112, 1136, 1756, 2224, 3512, 7024, 9869, 19738, 31169, 39476, 61021, 62338, 78952, 122042, 124676, 157904, 244084, 249352, 488168, 498704, 976336, 4332491, 8664982, 17329964, 34659928, 69319856]

約数ペア:

[(1, 69319856), (2, 34659928), (4, 17329964), (8, 8664982), (16, 4332491), (71, 976336), (139, 498704), (142, 488168), (278, 249352), (284, 244084), (439, 157904), (556, 124676), (568, 122042), (878, 78952), (1112, 62338), (1136, 61021), (1756, 39476), (2224, 31169), (3512, 19738), (7024, 9869)]