66781892

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{491}}^1\times {\mathrm{919}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 120402240

約数和(自身を除く): 53620348

約数列:

[1, 2, 4, 37, 74, 148, 491, 919, 982, 1838, 1964, 3676, 18167, 34003, 36334, 68006, 72668, 136012, 451229, 902458, 1804916, 16695473, 33390946, 66781892]

約数ペア:

[(1, 66781892), (2, 33390946), (4, 16695473), (37, 1804916), (74, 902458), (148, 451229), (491, 136012), (919, 72668), (982, 68006), (1838, 36334), (1964, 34003), (3676, 18167)]