55138916

素因数分解:

$2^2\times 7^2\times {\mathrm{281321}}^1$

素因数の和:281339

約数の個数: 18

約数和(自身を含む): 112247478

約数和(自身を除く): 57108562

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 281321, 562642, 1125284, 1969247, 3938494, 7876988, 13784729, 27569458, 55138916]

約数ペア:

[(1, 55138916), (2, 27569458), (4, 13784729), (7, 7876988), (14, 3938494), (28, 1969247), (49, 1125284), (98, 562642), (196, 281321)]