28338898

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 55738368

約数和(自身を除く): 27399470

約数列:

[1, 2, 7, 14, 17, 23, 31, 34, 46, 62, 119, 161, 167, 217, 238, 322, 334, 391, 434, 527, 713, 782, 1054, 1169, 1426, 2338, 2737, 2839, 3689, 3841, 4991, 5177, 5474, 5678, 7378, 7682, 9982, 10354, 12121, 19873, 24242, 26887, 36239, 39746, 53774, 65297, 72478, 84847, 88009, 119071, 130594, 169694, 176018, 238142, 457079, 616063, 833497, 914158, 1232126, 1666994, 2024207, 4048414, 14169449, 28338898]

約数ペア:

[(1, 28338898), (2, 14169449), (7, 4048414), (14, 2024207), (17, 1666994), (23, 1232126), (31, 914158), (34, 833497), (46, 616063), (62, 457079), (119, 238142), (161, 176018), (167, 169694), (217, 130594), (238, 119071), (322, 88009), (334, 84847), (391, 72478), (434, 65297), (527, 53774), (713, 39746), (782, 36239), (1054, 26887), (1169, 24242), (1426, 19873), (2338, 12121), (2737, 10354), (2839, 9982), (3689, 7682), (3841, 7378), (4991, 5678), (5177, 5474)]