40137994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2621}}^1$

素因数の和:2686

約数の個数: 32

約数和(自身を含む): 70479360

約数和(自身を除く): 30341366

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 247, 403, 494, 589, 806, 1178, 2621, 5242, 7657, 15314, 34073, 49799, 68146, 81251, 99598, 162502, 647387, 1056263, 1294774, 1543769, 2112526, 3087538, 20068997, 40137994]

約数ペア:

[(1, 40137994), (2, 20068997), (13, 3087538), (19, 2112526), (26, 1543769), (31, 1294774), (38, 1056263), (62, 647387), (247, 162502), (403, 99598), (494, 81251), (589, 68146), (806, 49799), (1178, 34073), (2621, 15314), (5242, 7657)]