1388403742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1553}}^1\times {\mathrm{40637}}^1$

素因数の和:42203

約数の個数: 16

約数和(自身を含む): 2273452272

約数和(自身を除く): 885048530

約数列:

[1, 2, 11, 22, 1553, 3106, 17083, 34166, 40637, 81274, 447007, 894014, 63109261, 126218522, 694201871, 1388403742]

約数ペア:

[(1, 1388403742), (2, 694201871), (11, 126218522), (22, 63109261), (1553, 894014), (3106, 447007), (17083, 81274), (34166, 40637)]