89710990

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1\times {\mathrm{521}}^1$

素因数の和:852

約数の個数: 32

約数和(自身を含む): 164843424

約数和(自身を除く): 75132434

約数列:

[1, 2, 5, 10, 67, 134, 257, 335, 514, 521, 670, 1042, 1285, 2570, 2605, 5210, 17219, 34438, 34907, 69814, 86095, 133897, 172190, 174535, 267794, 349070, 669485, 1338970, 8971099, 17942198, 44855495, 89710990]

約数ペア:

[(1, 89710990), (2, 44855495), (5, 17942198), (10, 8971099), (67, 1338970), (134, 669485), (257, 349070), (335, 267794), (514, 174535), (521, 172190), (670, 133897), (1042, 86095), (1285, 69814), (2570, 34907), (2605, 34438), (5210, 17219)]