388478868

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{232901}}^1$

素因数の和:233047

約数の個数: 24

約数和(自身を含む): 912975840

約数和(自身を除く): 524496972

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 232901, 465802, 698703, 931604, 1397406, 2794812, 32373239, 64746478, 97119717, 129492956, 194239434, 388478868]

約数ペア:

[(1, 388478868), (2, 194239434), (3, 129492956), (4, 97119717), (6, 64746478), (12, 32373239), (139, 2794812), (278, 1397406), (417, 931604), (556, 698703), (834, 465802), (1668, 232901)]