67898908

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^2\times {\mathrm{409}}^1$

素因数の和:456

約数の個数: 72

約数和(自身を含む): 152684000

約数和(自身を除く): 84785092

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 343, 409, 484, 539, 686, 818, 847, 1078, 1372, 1636, 1694, 2156, 2863, 3388, 3773, 4499, 5726, 5929, 7546, 8998, 11452, 11858, 15092, 17996, 20041, 23716, 31493, 40082, 41503, 49489, 62986, 80164, 83006, 98978, 125972, 140287, 166012, 197956, 220451, 280574, 346423, 440902, 561148, 692846, 881804, 1385692, 1543157, 2424961, 3086314, 4849922, 6172628, 9699844, 16974727, 33949454, 67898908]

約数ペア:

[(1, 67898908), (2, 33949454), (4, 16974727), (7, 9699844), (11, 6172628), (14, 4849922), (22, 3086314), (28, 2424961), (44, 1543157), (49, 1385692), (77, 881804), (98, 692846), (121, 561148), (154, 440902), (196, 346423), (242, 280574), (308, 220451), (343, 197956), (409, 166012), (484, 140287), (539, 125972), (686, 98978), (818, 83006), (847, 80164), (1078, 62986), (1372, 49489), (1636, 41503), (1694, 40082), (2156, 31493), (2863, 23716), (3388, 20041), (3773, 17996), (4499, 15092), (5726, 11858), (5929, 11452), (7546, 8998)]