1340404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 2557800

約数和(自身を除く): 1217396

約数列:

[1, 2, 4, 13, 26, 52, 149, 173, 298, 346, 596, 692, 1937, 2249, 3874, 4498, 7748, 8996, 25777, 51554, 103108, 335101, 670202, 1340404]

約数ペア:

[(1, 1340404), (2, 670202), (4, 335101), (13, 103108), (26, 51554), (52, 25777), (149, 8996), (173, 7748), (298, 4498), (346, 3874), (596, 2249), (692, 1937)]