81260884

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{27791}}^1$

素因数の和:27855

約数の個数: 24

約数和(自身を含む): 154078848

約数和(自身を除く): 72817964

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 27791, 55582, 111164, 472447, 944894, 1195013, 1889788, 2390026, 4780052, 20315221, 40630442, 81260884]

約数ペア:

[(1, 81260884), (2, 40630442), (4, 20315221), (17, 4780052), (34, 2390026), (43, 1889788), (68, 1195013), (86, 944894), (172, 472447), (731, 111164), (1462, 55582), (2924, 27791)]