16401427

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:335

約数の個数: 24

約数和(自身を含む): 20428800

約数和(自身を除く): 4027373

約数列:

[1, 7, 19, 49, 79, 133, 223, 553, 931, 1501, 1561, 3871, 4237, 10507, 10927, 17617, 29659, 73549, 123319, 207613, 334723, 863233, 2343061, 16401427]

約数ペア:

[(1, 16401427), (7, 2343061), (19, 863233), (49, 334723), (79, 207613), (133, 123319), (223, 73549), (553, 29659), (931, 17617), (1501, 10927), (1561, 10507), (3871, 4237)]