1290355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{809}}^1$

素因数の和:854

約数の個数: 16

約数和(自身を含む): 1749600

約数和(自身を除く): 459245

約数列:

[1, 5, 11, 29, 55, 145, 319, 809, 1595, 4045, 8899, 23461, 44495, 117305, 258071, 1290355]

約数ペア:

[(1, 1290355), (5, 258071), (11, 117305), (29, 44495), (55, 23461), (145, 8899), (319, 4045), (809, 1595)]