81829466

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 137712960

約数和(自身を除く): 55883494

約数列:

[1, 2, 17, 19, 34, 38, 197, 323, 394, 643, 646, 1286, 3349, 3743, 6698, 7486, 10931, 12217, 21862, 24434, 63631, 126671, 127262, 207689, 253342, 415378, 2153407, 2406749, 4306814, 4813498, 40914733, 81829466]

約数ペア:

[(1, 81829466), (2, 40914733), (17, 4813498), (19, 4306814), (34, 2406749), (38, 2153407), (197, 415378), (323, 253342), (394, 207689), (643, 127262), (646, 126671), (1286, 63631), (3349, 24434), (3743, 21862), (6698, 12217), (7486, 10931)]