388204986

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4976987}}^1$

素因数の和:4977005

約数の個数: 16

約数和(自身を含む): 836133984

約数和(自身を除く): 447928998

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 4976987, 9953974, 14930961, 29861922, 64700831, 129401662, 194102493, 388204986]

約数ペア:

[(1, 388204986), (2, 194102493), (3, 129401662), (6, 64700831), (13, 29861922), (26, 14930961), (39, 9953974), (78, 4976987)]