128619738

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:573

約数の個数: 80

約数和(自身を含む): 313152840

約数和(自身を除く): 184533102

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 157, 162, 234, 314, 351, 389, 471, 702, 778, 942, 1053, 1167, 1413, 2041, 2106, 2334, 2826, 3501, 4082, 4239, 5057, 6123, 7002, 8478, 10114, 10503, 12246, 12717, 15171, 18369, 21006, 25434, 30342, 31509, 36738, 45513, 55107, 61073, 63018, 91026, 110214, 122146, 136539, 165321, 183219, 273078, 330642, 366438, 409617, 549657, 793949, 819234, 1099314, 1587898, 1648971, 2381847, 3297942, 4763694, 4946913, 7145541, 9893826, 14291082, 21436623, 42873246, 64309869, 128619738]

約数ペア:

[(1, 128619738), (2, 64309869), (3, 42873246), (6, 21436623), (9, 14291082), (13, 9893826), (18, 7145541), (26, 4946913), (27, 4763694), (39, 3297942), (54, 2381847), (78, 1648971), (81, 1587898), (117, 1099314), (157, 819234), (162, 793949), (234, 549657), (314, 409617), (351, 366438), (389, 330642), (471, 273078), (702, 183219), (778, 165321), (942, 136539), (1053, 122146), (1167, 110214), (1413, 91026), (2041, 63018), (2106, 61073), (2334, 55107), (2826, 45513), (3501, 36738), (4082, 31509), (4239, 30342), (5057, 25434), (6123, 21006), (7002, 18369), (8478, 15171), (10114, 12717), (10503, 12246)]