64779385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1249}}^1$

素因数の和:1329

約数の個数: 32

約数和(自身を含む): 90720000

約数和(自身を除く): 25940615

約数列:

[1, 5, 11, 23, 41, 55, 115, 205, 253, 451, 943, 1249, 1265, 2255, 4715, 6245, 10373, 13739, 28727, 51209, 51865, 68695, 143635, 256045, 315997, 563299, 1177807, 1579985, 2816495, 5889035, 12955877, 64779385]

約数ペア:

[(1, 64779385), (5, 12955877), (11, 5889035), (23, 2816495), (41, 1579985), (55, 1177807), (115, 563299), (205, 315997), (253, 256045), (451, 143635), (943, 68695), (1249, 51865), (1265, 51209), (2255, 28727), (4715, 13739), (6245, 10373)]