87999515

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{2647}}^1$

素因数の和:2822

約数の個数: 16

約数和(自身を含む): 108356160

約数和(自身を除く): 20356645

約数列:

[1, 5, 61, 109, 305, 545, 2647, 6649, 13235, 33245, 161467, 288523, 807335, 1442615, 17599903, 87999515]

約数ペア:

[(1, 87999515), (5, 17599903), (61, 1442615), (109, 807335), (305, 288523), (545, 161467), (2647, 33245), (6649, 13235)]