90738781

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 110992896

約数和(自身を除く): 20254115

約数列:

[1, 7, 41, 61, 71, 73, 287, 427, 497, 511, 2501, 2911, 2993, 4331, 4453, 5183, 17507, 20377, 20951, 30317, 31171, 36281, 177571, 182573, 212503, 316163, 1242997, 1278011, 1487521, 2213141, 12962683, 90738781]

約数ペア:

[(1, 90738781), (7, 12962683), (41, 2213141), (61, 1487521), (71, 1278011), (73, 1242997), (287, 316163), (427, 212503), (497, 182573), (511, 177571), (2501, 36281), (2911, 31171), (2993, 30317), (4331, 20951), (4453, 20377), (5183, 17507)]