397968728

素因数分解:

$2^3\times {\mathrm{571}}^1\times {\mathrm{87121}}^1$

素因数の和:87698

約数の個数: 16

約数和(自身を含む): 747506760

約数和(自身を除く): 349538032

約数列:

[1, 2, 4, 8, 571, 1142, 2284, 4568, 87121, 174242, 348484, 696968, 49746091, 99492182, 198984364, 397968728]

約数ペア:

[(1, 397968728), (2, 198984364), (4, 99492182), (8, 49746091), (571, 696968), (1142, 348484), (2284, 174242), (4568, 87121)]