221155668

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{881}}^1$

素因数の和:1277

約数の個数: 72

約数和(自身を含む): 590728320

約数和(自身を除く): 369572652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 367, 684, 734, 881, 1101, 1468, 1762, 2202, 2643, 3303, 3524, 4404, 5286, 6606, 6973, 7929, 10572, 13212, 13946, 15858, 16739, 20919, 27892, 31716, 33478, 41838, 50217, 62757, 66956, 83676, 100434, 125514, 150651, 200868, 251028, 301302, 323327, 602604, 646654, 969981, 1293308, 1939962, 2909943, 3879924, 5819886, 6143213, 11639772, 12286426, 18429639, 24572852, 36859278, 55288917, 73718556, 110577834, 221155668]

約数ペア:

[(1, 221155668), (2, 110577834), (3, 73718556), (4, 55288917), (6, 36859278), (9, 24572852), (12, 18429639), (18, 12286426), (19, 11639772), (36, 6143213), (38, 5819886), (57, 3879924), (76, 2909943), (114, 1939962), (171, 1293308), (228, 969981), (342, 646654), (367, 602604), (684, 323327), (734, 301302), (881, 251028), (1101, 200868), (1468, 150651), (1762, 125514), (2202, 100434), (2643, 83676), (3303, 66956), (3524, 62757), (4404, 50217), (5286, 41838), (6606, 33478), (6973, 31716), (7929, 27892), (10572, 20919), (13212, 16739), (13946, 15858)]