28587988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 64012032

約数和(自身を除く): 35424044

約数列:

[1, 2, 4, 11, 13, 22, 23, 26, 41, 44, 46, 52, 53, 82, 92, 106, 143, 164, 212, 253, 286, 299, 451, 506, 533, 572, 583, 598, 689, 902, 943, 1012, 1066, 1166, 1196, 1219, 1378, 1804, 1886, 2132, 2173, 2332, 2438, 2756, 3289, 3772, 4346, 4876, 5863, 6578, 7579, 8692, 10373, 11726, 12259, 13156, 13409, 15158, 15847, 20746, 23452, 23903, 24518, 26818, 28249, 30316, 31694, 41492, 47806, 49036, 49979, 53636, 56498, 63388, 95612, 99958, 112996, 134849, 174317, 199916, 269698, 310739, 348634, 539396, 549769, 621478, 649727, 697268, 1099538, 1242956, 1299454, 2199076, 2598908, 7146997, 14293994, 28587988]

約数ペア:

[(1, 28587988), (2, 14293994), (4, 7146997), (11, 2598908), (13, 2199076), (22, 1299454), (23, 1242956), (26, 1099538), (41, 697268), (44, 649727), (46, 621478), (52, 549769), (53, 539396), (82, 348634), (92, 310739), (106, 269698), (143, 199916), (164, 174317), (212, 134849), (253, 112996), (286, 99958), (299, 95612), (451, 63388), (506, 56498), (533, 53636), (572, 49979), (583, 49036), (598, 47806), (689, 41492), (902, 31694), (943, 30316), (1012, 28249), (1066, 26818), (1166, 24518), (1196, 23903), (1219, 23452), (1378, 20746), (1804, 15847), (1886, 15158), (2132, 13409), (2173, 13156), (2332, 12259), (2438, 11726), (2756, 10373), (3289, 8692), (3772, 7579), (4346, 6578), (4876, 5863)]