64739714

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 108304560

約数和(自身を除く): 43564846

約数列:

[1, 2, 13, 26, 37, 74, 173, 346, 389, 481, 778, 962, 2249, 4498, 5057, 6401, 10114, 12802, 14393, 28786, 67297, 83213, 134594, 166426, 187109, 374218, 874861, 1749722, 2489989, 4979978, 32369857, 64739714]

約数ペア:

[(1, 64739714), (2, 32369857), (13, 4979978), (26, 2489989), (37, 1749722), (74, 874861), (173, 374218), (346, 187109), (389, 166426), (481, 134594), (778, 83213), (962, 67297), (2249, 28786), (4498, 14393), (5057, 12802), (6401, 10114)]