328979412

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{953}}^1$

素因数の和:1229

約数の個数: 72

約数和(自身を含む): 855638784

約数和(自身を除く): 526659372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 223, 258, 387, 446, 516, 669, 774, 892, 953, 1338, 1548, 1906, 2007, 2676, 2859, 3812, 4014, 5718, 8028, 8577, 9589, 11436, 17154, 19178, 28767, 34308, 38356, 40979, 57534, 81958, 86301, 115068, 122937, 163916, 172602, 212519, 245874, 345204, 368811, 425038, 491748, 637557, 737622, 850076, 1275114, 1475244, 1912671, 2550228, 3825342, 7650684, 9138317, 18276634, 27414951, 36553268, 54829902, 82244853, 109659804, 164489706, 328979412]

約数ペア:

[(1, 328979412), (2, 164489706), (3, 109659804), (4, 82244853), (6, 54829902), (9, 36553268), (12, 27414951), (18, 18276634), (36, 9138317), (43, 7650684), (86, 3825342), (129, 2550228), (172, 1912671), (223, 1475244), (258, 1275114), (387, 850076), (446, 737622), (516, 637557), (669, 491748), (774, 425038), (892, 368811), (953, 345204), (1338, 245874), (1548, 212519), (1906, 172602), (2007, 163916), (2676, 122937), (2859, 115068), (3812, 86301), (4014, 81958), (5718, 57534), (8028, 40979), (8577, 38356), (9589, 34308), (11436, 28767), (17154, 19178)]