91991578

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1447}}^1$

素因数の和:1714

約数の個数: 32

約数和(自身を含む): 166809600

約数和(自身を除く): 74818022

約数列:

[1, 2, 7, 14, 19, 38, 133, 239, 266, 478, 1447, 1673, 2894, 3346, 4541, 9082, 10129, 20258, 27493, 31787, 54986, 63574, 192451, 345833, 384902, 691666, 2420831, 4841662, 6570827, 13141654, 45995789, 91991578]

約数ペア:

[(1, 91991578), (2, 45995789), (7, 13141654), (14, 6570827), (19, 4841662), (38, 2420831), (133, 691666), (239, 384902), (266, 345833), (478, 192451), (1447, 63574), (1673, 54986), (2894, 31787), (3346, 27493), (4541, 20258), (9082, 10129)]