138922994

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{71389}}^1$

素因数の和:71537

約数の個数: 16

約数和(自身を含む): 239870400

約数和(自身を除く): 100947406

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 71389, 142778, 499723, 999446, 9923071, 19846142, 69461497, 138922994]

約数ペア:

[(1, 138922994), (2, 69461497), (7, 19846142), (14, 9923071), (139, 999446), (278, 499723), (973, 142778), (1946, 71389)]