66965956

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{21491}}^1$

素因数の和:21555

約数の個数: 24

約数和(自身を含む): 126372960

約数和(自身を除く): 59407004

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 21491, 42982, 85964, 408329, 816658, 881131, 1633316, 1762262, 3524524, 16741489, 33482978, 66965956]

約数ペア:

[(1, 66965956), (2, 33482978), (4, 16741489), (19, 3524524), (38, 1762262), (41, 1633316), (76, 881131), (82, 816658), (164, 408329), (779, 85964), (1558, 42982), (3116, 21491)]