390889072

素因数分解:

$2^4\times 7^2\times {\mathrm{498583}}^1$

素因数の和:498605

約数の個数: 30

約数和(自身を含む): 880997928

約数和(自身を除く): 490108856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 498583, 997166, 1994332, 3490081, 3988664, 6980162, 7977328, 13960324, 24430567, 27920648, 48861134, 55841296, 97722268, 195444536, 390889072]

約数ペア:

[(1, 390889072), (2, 195444536), (4, 97722268), (7, 55841296), (8, 48861134), (14, 27920648), (16, 24430567), (28, 13960324), (49, 7977328), (56, 6980162), (98, 3988664), (112, 3490081), (196, 1994332), (392, 997166), (784, 498583)]