678889744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3263893}}^1$

素因数の和:3263914

約数の個数: 20

約数和(自身を含む): 1416529996

約数和(自身を除く): 737640252

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3263893, 6527786, 13055572, 26111144, 42430609, 52222288, 84861218, 169722436, 339444872, 678889744]

約数ペア:

[(1, 678889744), (2, 339444872), (4, 169722436), (8, 84861218), (13, 52222288), (16, 42430609), (26, 26111144), (52, 13055572), (104, 6527786), (208, 3263893)]