138604844

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{159683}}^1$

素因数の和:159725

約数の個数: 24

約数和(自身を含む): 286153728

約数和(自身を除く): 147548884

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 159683, 319366, 638732, 1117781, 2235562, 4471124, 4950173, 9900346, 19800692, 34651211, 69302422, 138604844]

約数ペア:

[(1, 138604844), (2, 69302422), (4, 34651211), (7, 19800692), (14, 9900346), (28, 4950173), (31, 4471124), (62, 2235562), (124, 1117781), (217, 638732), (434, 319366), (868, 159683)]