408973552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1966219}}^1$

素因数の和:1966240

約数の個数: 20

約数和(自身を含む): 853339480

約数和(自身を除く): 444365928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1966219, 3932438, 7864876, 15729752, 25560847, 31459504, 51121694, 102243388, 204486776, 408973552]

約数ペア:

[(1, 408973552), (2, 204486776), (4, 102243388), (8, 51121694), (13, 31459504), (16, 25560847), (26, 15729752), (52, 7864876), (104, 3932438), (208, 1966219)]