201998040016

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{742639853}}^1$

素因数の和:742639878

約数の個数: 20

約数和(自身を含む): 414393038532

約数和(自身を除く): 212394998516

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 742639853, 1485279706, 2970559412, 5941118824, 11882237648, 12624877501, 25249755002, 50499510004, 100999020008, 201998040016]

約数ペア:

[(1, 201998040016), (2, 100999020008), (4, 50499510004), (8, 25249755002), (16, 12624877501), (17, 11882237648), (34, 5941118824), (68, 2970559412), (136, 1485279706), (272, 742639853)]