321640487

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1\times {\mathrm{3259}}^1$

素因数の和:3902

約数の個数: 16

約数和(自身を含む): 384314880

約数和(自身を除く): 62674393

約数列:

[1, 7, 23, 161, 613, 3259, 4291, 14099, 22813, 74957, 98693, 524699, 1997767, 13984369, 45948641, 321640487]

約数ペア:

[(1, 321640487), (7, 45948641), (23, 13984369), (161, 1997767), (613, 524699), (3259, 98693), (4291, 74957), (14099, 22813)]