320716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 632016

約数和(自身を除く): 311300

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 197, 394, 407, 788, 814, 1628, 2167, 4334, 7289, 8668, 14578, 29156, 80179, 160358, 320716]

約数ペア:

[(1, 320716), (2, 160358), (4, 80179), (11, 29156), (22, 14578), (37, 8668), (44, 7289), (74, 4334), (148, 2167), (197, 1628), (394, 814), (407, 788)]