87489028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{19687}}^1$

素因数の和:19803

約数の個数: 24

約数和(自身を含む): 168686784

約数和(自身を除く): 81197756

約数列:

[1, 2, 4, 11, 22, 44, 101, 202, 404, 1111, 2222, 4444, 19687, 39374, 78748, 216557, 433114, 866228, 1988387, 3976774, 7953548, 21872257, 43744514, 87489028]

約数ペア:

[(1, 87489028), (2, 43744514), (4, 21872257), (11, 7953548), (22, 3976774), (44, 1988387), (101, 866228), (202, 433114), (404, 216557), (1111, 78748), (2222, 39374), (4444, 19687)]