397883990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{5684057}}^1$

素因数の和:5684071

約数の個数: 16

約数和(自身を含む): 818504352

約数和(自身を除く): 420620362

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 5684057, 11368114, 28420285, 39788399, 56840570, 79576798, 198941995, 397883990]

約数ペア:

[(1, 397883990), (2, 198941995), (5, 79576798), (7, 56840570), (10, 39788399), (14, 28420285), (35, 11368114), (70, 5684057)]