1900564505

素因数分解:

$5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{128983}}^1$

素因数の和:129416

約数の個数: 16

約数和(自身を含む): 2612699904

約数和(自身を除く): 712135399

約数列:

[1, 5, 7, 35, 421, 2105, 2947, 14735, 128983, 644915, 902881, 4514405, 54301843, 271509215, 380112901, 1900564505]

約数ペア:

[(1, 1900564505), (5, 380112901), (7, 271509215), (35, 54301843), (421, 4514405), (2105, 902881), (2947, 644915), (14735, 128983)]