16563864

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 44432640

約数和(自身を除く): 27868776

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 37, 46, 69, 74, 92, 111, 138, 148, 184, 222, 276, 296, 444, 552, 811, 851, 888, 1622, 1702, 2433, 2553, 3244, 3404, 4866, 5106, 6488, 6808, 9732, 10212, 18653, 19464, 20424, 30007, 37306, 55959, 60014, 74612, 90021, 111918, 120028, 149224, 180042, 223836, 240056, 360084, 447672, 690161, 720168, 1380322, 2070483, 2760644, 4140966, 5521288, 8281932, 16563864]

約数ペア:

[(1, 16563864), (2, 8281932), (3, 5521288), (4, 4140966), (6, 2760644), (8, 2070483), (12, 1380322), (23, 720168), (24, 690161), (37, 447672), (46, 360084), (69, 240056), (74, 223836), (92, 180042), (111, 149224), (138, 120028), (148, 111918), (184, 90021), (222, 74612), (276, 60014), (296, 55959), (444, 37306), (552, 30007), (811, 20424), (851, 19464), (888, 18653), (1622, 10212), (1702, 9732), (2433, 6808), (2553, 6488), (3244, 5106), (3404, 4866)]