1389444304

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{2801299}}^1$

素因数の和:2801338

約数の個数: 20

約数和(自身を含む): 2778889600

約数和(自身を除く): 1389445296

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 2801299, 5602598, 11205196, 22410392, 44820784, 86840269, 173680538, 347361076, 694722152, 1389444304]

約数ペア:

[(1, 1389444304), (2, 694722152), (4, 347361076), (8, 173680538), (16, 86840269), (31, 44820784), (62, 22410392), (124, 11205196), (248, 5602598), (496, 2801299)]