138405968

素因数分解:

$2^4\times {\mathrm{2539}}^1\times {\mathrm{3407}}^1$

素因数の和:5954

約数の個数: 20

約数和(自身を含む): 268345920

約数和(自身を除く): 129939952

約数列:

[1, 2, 4, 8, 16, 2539, 3407, 5078, 6814, 10156, 13628, 20312, 27256, 40624, 54512, 8650373, 17300746, 34601492, 69202984, 138405968]

約数ペア:

[(1, 138405968), (2, 69202984), (4, 34601492), (8, 17300746), (16, 8650373), (2539, 54512), (3407, 40624), (5078, 27256), (6814, 20312), (10156, 13628)]