987305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{619}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 1339200

約数和(自身を除く): 351895

約数列:

[1, 5, 11, 29, 55, 145, 319, 619, 1595, 3095, 6809, 17951, 34045, 89755, 197461, 987305]

約数ペア:

[(1, 987305), (5, 197461), (11, 89755), (29, 34045), (55, 17951), (145, 6809), (319, 3095), (619, 1595)]