206519615

素因数分解:

$5^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1\times {\mathrm{881}}^1$

素因数の和:1330

約数の個数: 16

約数和(自身を含む): 250459776

約数和(自身を除く): 43940161

約数列:

[1, 5, 173, 271, 865, 881, 1355, 4405, 46883, 152413, 234415, 238751, 762065, 1193755, 41303923, 206519615]

約数ペア:

[(1, 206519615), (5, 41303923), (173, 1193755), (271, 762065), (865, 238751), (881, 234415), (1355, 152413), (4405, 46883)]