278320988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{919}}^1\times {\mathrm{6883}}^1$

素因数の和:7817

約数の個数: 24

約数和(自身を含む): 531995520

約数和(自身を除く): 253674532

約数列:

[1, 2, 4, 11, 22, 44, 919, 1838, 3676, 6883, 10109, 13766, 20218, 27532, 40436, 75713, 151426, 302852, 6325477, 12650954, 25301908, 69580247, 139160494, 278320988]

約数ペア:

[(1, 278320988), (2, 139160494), (4, 69580247), (11, 25301908), (22, 12650954), (44, 6325477), (919, 302852), (1838, 151426), (3676, 75713), (6883, 40436), (10109, 27532), (13766, 20218)]