129381505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{23291}}^1$

素因数の和:23408

約数の個数: 16

約数和(自身を含む): 171056448

約数和(自身を除く): 41674943

約数列:

[1, 5, 11, 55, 101, 505, 1111, 5555, 23291, 116455, 256201, 1281005, 2352391, 11761955, 25876301, 129381505]

約数ペア:

[(1, 129381505), (5, 25876301), (11, 11761955), (55, 2352391), (101, 1281005), (505, 256201), (1111, 116455), (5555, 23291)]