81080872

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{326939}}^1$

素因数の和:326976

約数の個数: 16

約数和(自身を含む): 156931200

約数和(自身を除く): 75850328

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 326939, 653878, 1307756, 2615512, 10135109, 20270218, 40540436, 81080872]

約数ペア:

[(1, 81080872), (2, 40540436), (4, 20270218), (8, 10135109), (31, 2615512), (62, 1307756), (124, 653878), (248, 326939)]