28220586

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 63590400

約数和(自身を除く): 35369814

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 47, 57, 69, 94, 114, 138, 141, 229, 282, 437, 458, 687, 874, 893, 1081, 1311, 1374, 1786, 2162, 2622, 2679, 3243, 4351, 5267, 5358, 6486, 8702, 10534, 10763, 13053, 15801, 20539, 21526, 26106, 31602, 32289, 41078, 61617, 64578, 100073, 123234, 200146, 204497, 247549, 300219, 408994, 495098, 600438, 613491, 742647, 1226982, 1485294, 4703431, 9406862, 14110293, 28220586]

約数ペア:

[(1, 28220586), (2, 14110293), (3, 9406862), (6, 4703431), (19, 1485294), (23, 1226982), (38, 742647), (46, 613491), (47, 600438), (57, 495098), (69, 408994), (94, 300219), (114, 247549), (138, 204497), (141, 200146), (229, 123234), (282, 100073), (437, 64578), (458, 61617), (687, 41078), (874, 32289), (893, 31602), (1081, 26106), (1311, 21526), (1374, 20539), (1786, 15801), (2162, 13053), (2622, 10763), (2679, 10534), (3243, 8702), (4351, 6486), (5267, 5358)]