64999726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^2\times {\mathrm{373}}^1$

素因数の和:564

約数の個数: 24

約数和(自身を含む): 107860104

約数和(自身を除く): 42860378

約数列:

[1, 2, 11, 22, 89, 178, 373, 746, 979, 1958, 4103, 7921, 8206, 15842, 33197, 66394, 87131, 174262, 365167, 730334, 2954533, 5909066, 32499863, 64999726]

約数ペア:

[(1, 64999726), (2, 32499863), (11, 5909066), (22, 2954533), (89, 730334), (178, 365167), (373, 174262), (746, 87131), (979, 66394), (1958, 33197), (4103, 15842), (7921, 8206)]