81482215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{4513}}^1$

素因数の和:4698

約数の個数: 16

約数和(自身を含む): 102702528

約数和(自身を除く): 21220313

約数列:

[1, 5, 23, 115, 157, 785, 3611, 4513, 18055, 22565, 103799, 518995, 708541, 3542705, 16296443, 81482215]

約数ペア:

[(1, 81482215), (5, 16296443), (23, 3542705), (115, 708541), (157, 518995), (785, 103799), (3611, 22565), (4513, 18055)]