87121388

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{2423}}^1$

素因数の和:2617

約数の個数: 24

約数和(自身を含む): 155766240

約数和(自身を除く): 68644852

約数列:

[1, 2, 4, 89, 101, 178, 202, 356, 404, 2423, 4846, 8989, 9692, 17978, 35956, 215647, 244723, 431294, 489446, 862588, 978892, 21780347, 43560694, 87121388]

約数ペア:

[(1, 87121388), (2, 43560694), (4, 21780347), (89, 978892), (101, 862588), (178, 489446), (202, 431294), (356, 244723), (404, 215647), (2423, 35956), (4846, 17978), (8989, 9692)]