20170771649

素因数分解:

$7^2\times {\mathrm{1031}}^1\times {\mathrm{399271}}^1$

素因数の和:400316

約数の個数: 12

約数和(自身を含む): 23486776128

約数和(自身を除く): 3316004479

約数列:

[1, 7, 49, 1031, 7217, 50519, 399271, 2794897, 19564279, 411648401, 2881538807, 20170771649]

約数ペア:

[(1, 20170771649), (7, 2881538807), (49, 411648401), (1031, 19564279), (7217, 2794897), (50519, 399271)]