156988013

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 221760000

約数和(自身を除く): 64771987

約数列:

[1, 7, 13, 17, 19, 49, 91, 109, 119, 133, 221, 247, 323, 343, 637, 763, 833, 931, 1417, 1547, 1729, 1853, 2071, 2261, 4199, 4459, 5341, 5831, 6517, 9919, 10829, 12103, 12971, 14497, 15827, 24089, 26923, 29393, 35207, 37387, 69433, 75803, 84721, 90797, 101479, 110789, 168623, 188461, 205751, 246449, 457691, 486031, 635579, 710353, 1180361, 1319227, 1440257, 1725143, 3203837, 8262527, 9234589, 12076001, 22426859, 156988013]

約数ペア:

[(1, 156988013), (7, 22426859), (13, 12076001), (17, 9234589), (19, 8262527), (49, 3203837), (91, 1725143), (109, 1440257), (119, 1319227), (133, 1180361), (221, 710353), (247, 635579), (323, 486031), (343, 457691), (637, 246449), (763, 205751), (833, 188461), (931, 168623), (1417, 110789), (1547, 101479), (1729, 90797), (1853, 84721), (2071, 75803), (2261, 69433), (4199, 37387), (4459, 35207), (5341, 29393), (5831, 26923), (6517, 24089), (9919, 15827), (10829, 14497), (12103, 12971)]