81907804

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{229}}^1\times {\mathrm{739}}^1$

素因数の和:994

約数の個数: 36

約数和(自身を含む): 158456200

約数和(自身を除く): 76548396

約数列:

[1, 2, 4, 11, 22, 44, 121, 229, 242, 458, 484, 739, 916, 1478, 2519, 2956, 5038, 8129, 10076, 16258, 27709, 32516, 55418, 89419, 110836, 169231, 178838, 338462, 357676, 676924, 1861541, 3723082, 7446164, 20476951, 40953902, 81907804]

約数ペア:

[(1, 81907804), (2, 40953902), (4, 20476951), (11, 7446164), (22, 3723082), (44, 1861541), (121, 676924), (229, 357676), (242, 338462), (458, 178838), (484, 169231), (739, 110836), (916, 89419), (1478, 55418), (2519, 32516), (2956, 27709), (5038, 16258), (8129, 10076)]