31450868

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{821}}^1$

素因数の和:1043

約数の個数: 24

約数和(自身を含む): 56366184

約数和(自身を除く): 24915316

約数列:

[1, 2, 4, 61, 122, 157, 244, 314, 628, 821, 1642, 3284, 9577, 19154, 38308, 50081, 100162, 128897, 200324, 257794, 515588, 7862717, 15725434, 31450868]

約数ペア:

[(1, 31450868), (2, 15725434), (4, 7862717), (61, 515588), (122, 257794), (157, 200324), (244, 128897), (314, 100162), (628, 50081), (821, 38308), (1642, 19154), (3284, 9577)]