64165556

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{431}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 138862080

約数和(自身を除く): 74696524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 409, 431, 818, 862, 1636, 1724, 2863, 3017, 5317, 5603, 5726, 6034, 10634, 11206, 11452, 12068, 21268, 22412, 37219, 39221, 74438, 78442, 148876, 156884, 176279, 352558, 705116, 1233953, 2291627, 2467906, 4583254, 4935812, 9166508, 16041389, 32082778, 64165556]

約数ペア:

[(1, 64165556), (2, 32082778), (4, 16041389), (7, 9166508), (13, 4935812), (14, 4583254), (26, 2467906), (28, 2291627), (52, 1233953), (91, 705116), (182, 352558), (364, 176279), (409, 156884), (431, 148876), (818, 78442), (862, 74438), (1636, 39221), (1724, 37219), (2863, 22412), (3017, 21268), (5317, 12068), (5603, 11452), (5726, 11206), (6034, 10634)]