90819612

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4513}}^1$

素因数の和:4579

約数の個数: 72

約数和(自身を含む): 253036784

約数和(自身を除く): 162217172

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1677, 2236, 3354, 4513, 5031, 6708, 9026, 10062, 13539, 18052, 20124, 27078, 40617, 54156, 58669, 81234, 117338, 162468, 176007, 194059, 234676, 352014, 388118, 528021, 582177, 704028, 776236, 1056042, 1164354, 1746531, 2112084, 2328708, 2522767, 3493062, 5045534, 6986124, 7568301, 10091068, 15136602, 22704903, 30273204, 45409806, 90819612]

約数ペア:

[(1, 90819612), (2, 45409806), (3, 30273204), (4, 22704903), (6, 15136602), (9, 10091068), (12, 7568301), (13, 6986124), (18, 5045534), (26, 3493062), (36, 2522767), (39, 2328708), (43, 2112084), (52, 1746531), (78, 1164354), (86, 1056042), (117, 776236), (129, 704028), (156, 582177), (172, 528021), (234, 388118), (258, 352014), (387, 234676), (468, 194059), (516, 176007), (559, 162468), (774, 117338), (1118, 81234), (1548, 58669), (1677, 54156), (2236, 40617), (3354, 27078), (4513, 20124), (5031, 18052), (6708, 13539), (9026, 10062)]