420199178

素因数分解:

$2^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{71633}}^1$

素因数の和:72061

約数の個数: 16

約数和(自身を含む): 722070720

約数和(自身を除く): 301871542

約数列:

[1, 2, 7, 14, 419, 838, 2933, 5866, 71633, 143266, 501431, 1002862, 30014227, 60028454, 210099589, 420199178]

約数ペア:

[(1, 420199178), (2, 210099589), (7, 60028454), (14, 30014227), (419, 1002862), (838, 501431), (2933, 143266), (5866, 71633)]