121407890

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{54443}}^1$

素因数の和:54673

約数の個数: 16

約数和(自身を含む): 219518208

約数和(自身を除く): 98110318

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 54443, 108886, 272215, 544430, 12140789, 24281578, 60703945, 121407890]

約数ペア:

[(1, 121407890), (2, 60703945), (5, 24281578), (10, 12140789), (223, 544430), (446, 272215), (1115, 108886), (2230, 54443)]