28738808

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 64281600

約数和(自身を除く): 35542792

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 61, 94, 122, 179, 188, 244, 329, 358, 376, 427, 488, 658, 716, 854, 1253, 1316, 1432, 1708, 2506, 2632, 2867, 3416, 5012, 5734, 8413, 10024, 10919, 11468, 16826, 20069, 21838, 22936, 33652, 40138, 43676, 58891, 67304, 76433, 80276, 87352, 117782, 152866, 160552, 235564, 305732, 471128, 513193, 611464, 1026386, 2052772, 3592351, 4105544, 7184702, 14369404, 28738808]

約数ペア:

[(1, 28738808), (2, 14369404), (4, 7184702), (7, 4105544), (8, 3592351), (14, 2052772), (28, 1026386), (47, 611464), (56, 513193), (61, 471128), (94, 305732), (122, 235564), (179, 160552), (188, 152866), (244, 117782), (329, 87352), (358, 80276), (376, 76433), (427, 67304), (488, 58891), (658, 43676), (716, 40138), (854, 33652), (1253, 22936), (1316, 21838), (1432, 20069), (1708, 16826), (2506, 11468), (2632, 10919), (2867, 10024), (3416, 8413), (5012, 5734)]