81116515

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{2131}}^1$

素因数の和:2490

約数の個数: 16

約数和(自身を含む): 101926656

約数和(自身を除く): 20810141

約数列:

[1, 5, 23, 115, 331, 1655, 2131, 7613, 10655, 38065, 49013, 245065, 705361, 3526805, 16223303, 81116515]

約数ペア:

[(1, 81116515), (5, 16223303), (23, 3526805), (115, 705361), (331, 245065), (1655, 49013), (2131, 38065), (7613, 10655)]