28647288

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:561

約数の個数: 96

約数和(自身を含む): 83740800

約数和(自身を除く): 55093512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 43, 57, 72, 76, 86, 114, 129, 152, 171, 172, 228, 258, 342, 344, 387, 456, 487, 516, 684, 774, 817, 974, 1032, 1368, 1461, 1548, 1634, 1948, 2451, 2922, 3096, 3268, 3896, 4383, 4902, 5844, 6536, 7353, 8766, 9253, 9804, 11688, 14706, 17532, 18506, 19608, 20941, 27759, 29412, 35064, 37012, 41882, 55518, 58824, 62823, 74024, 83277, 83764, 111036, 125646, 166554, 167528, 188469, 222072, 251292, 333108, 376938, 397879, 502584, 666216, 753876, 795758, 1193637, 1507752, 1591516, 2387274, 3183032, 3580911, 4774548, 7161822, 9549096, 14323644, 28647288]

約数ペア:

[(1, 28647288), (2, 14323644), (3, 9549096), (4, 7161822), (6, 4774548), (8, 3580911), (9, 3183032), (12, 2387274), (18, 1591516), (19, 1507752), (24, 1193637), (36, 795758), (38, 753876), (43, 666216), (57, 502584), (72, 397879), (76, 376938), (86, 333108), (114, 251292), (129, 222072), (152, 188469), (171, 167528), (172, 166554), (228, 125646), (258, 111036), (342, 83764), (344, 83277), (387, 74024), (456, 62823), (487, 58824), (516, 55518), (684, 41882), (774, 37012), (817, 35064), (974, 29412), (1032, 27759), (1368, 20941), (1461, 19608), (1548, 18506), (1634, 17532), (1948, 14706), (2451, 11688), (2922, 9804), (3096, 9253), (3268, 8766), (3896, 7353), (4383, 6536), (4902, 5844)]