64961264

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{8269}}^1$

素因数の和:8768

約数の個数: 20

約数和(自身を含む): 126134040

約数和(自身を除く): 61172776

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 3928, 7856, 8269, 16538, 33076, 66152, 132304, 4060079, 8120158, 16240316, 32480632, 64961264]

約数ペア:

[(1, 64961264), (2, 32480632), (4, 16240316), (8, 8120158), (16, 4060079), (491, 132304), (982, 66152), (1964, 33076), (3928, 16538), (7856, 8269)]