28281616

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 63442368

約数和(自身を除く): 35160752

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 43, 44, 74, 86, 88, 101, 148, 172, 176, 202, 296, 344, 404, 407, 473, 592, 688, 808, 814, 946, 1111, 1591, 1616, 1628, 1892, 2222, 3182, 3256, 3737, 3784, 4343, 4444, 6364, 6512, 7474, 7568, 8686, 8888, 12728, 14948, 17372, 17501, 17776, 25456, 29896, 34744, 35002, 41107, 47773, 59792, 69488, 70004, 82214, 95546, 140008, 160691, 164428, 191092, 280016, 321382, 328856, 382184, 642764, 657712, 764368, 1285528, 1767601, 2571056, 3535202, 7070404, 14140808, 28281616]

約数ペア:

[(1, 28281616), (2, 14140808), (4, 7070404), (8, 3535202), (11, 2571056), (16, 1767601), (22, 1285528), (37, 764368), (43, 657712), (44, 642764), (74, 382184), (86, 328856), (88, 321382), (101, 280016), (148, 191092), (172, 164428), (176, 160691), (202, 140008), (296, 95546), (344, 82214), (404, 70004), (407, 69488), (473, 59792), (592, 47773), (688, 41107), (808, 35002), (814, 34744), (946, 29896), (1111, 25456), (1591, 17776), (1616, 17501), (1628, 17372), (1892, 14948), (2222, 12728), (3182, 8888), (3256, 8686), (3737, 7568), (3784, 7474), (4343, 6512), (4444, 6364)]