680673.0000000

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 9658368

約数和(自身を除く): 3416363

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 523, 1085, 1705, 2387, 2615, 3661, 5753, 11935, 16213, 18305, 28765, 40271, 81065, 113491, 178343, 201355, 567455, 891715, 1248401, 6242005]

約数ペア:

[(1, 6242005), (5, 1248401), (7, 891715), (11, 567455), (31, 201355), (35, 178343), (55, 113491), (77, 81065), (155, 40271), (217, 28765), (341, 18305), (385, 16213), (523, 11935), (1085, 5753), (1705, 3661), (2387, 2615)]