66895216

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{9931}}^1$

素因数の和:10360

約数の個数: 20

約数和(自身を含む): 129930424

約数和(自身を除く): 63035208

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 3368, 6736, 9931, 19862, 39724, 79448, 158896, 4180951, 8361902, 16723804, 33447608, 66895216]

約数ペア:

[(1, 66895216), (2, 33447608), (4, 16723804), (8, 8361902), (16, 4180951), (421, 158896), (842, 79448), (1684, 39724), (3368, 19862), (6736, 9931)]