28897128

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:320

約数の個数: 128

約数和(自身を含む): 88905600

約数和(自身を除く): 60008472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 41, 52, 54, 72, 78, 82, 104, 108, 117, 123, 156, 164, 216, 234, 246, 251, 312, 328, 351, 369, 468, 492, 502, 533, 702, 738, 753, 936, 984, 1004, 1066, 1107, 1404, 1476, 1506, 1599, 2008, 2132, 2214, 2259, 2808, 2952, 3012, 3198, 3263, 4264, 4428, 4518, 4797, 6024, 6396, 6526, 6777, 8856, 9036, 9594, 9789, 10291, 12792, 13052, 13554, 14391, 18072, 19188, 19578, 20582, 26104, 27108, 28782, 29367, 30873, 38376, 39156, 41164, 54216, 57564, 58734, 61746, 78312, 82328, 88101, 92619, 115128, 117468, 123492, 133783, 176202, 185238, 234936, 246984, 267566, 277857, 352404, 370476, 401349, 535132, 555714, 704808, 740952, 802698, 1070264, 1111428, 1204047, 1605396, 2222856, 2408094, 3210792, 3612141, 4816188, 7224282, 9632376, 14448564, 28897128]

約数ペア:

[(1, 28897128), (2, 14448564), (3, 9632376), (4, 7224282), (6, 4816188), (8, 3612141), (9, 3210792), (12, 2408094), (13, 2222856), (18, 1605396), (24, 1204047), (26, 1111428), (27, 1070264), (36, 802698), (39, 740952), (41, 704808), (52, 555714), (54, 535132), (72, 401349), (78, 370476), (82, 352404), (104, 277857), (108, 267566), (117, 246984), (123, 234936), (156, 185238), (164, 176202), (216, 133783), (234, 123492), (246, 117468), (251, 115128), (312, 92619), (328, 88101), (351, 82328), (369, 78312), (468, 61746), (492, 58734), (502, 57564), (533, 54216), (702, 41164), (738, 39156), (753, 38376), (936, 30873), (984, 29367), (1004, 28782), (1066, 27108), (1107, 26104), (1404, 20582), (1476, 19578), (1506, 19188), (1599, 18072), (2008, 14391), (2132, 13554), (2214, 13052), (2259, 12792), (2808, 10291), (2952, 9789), (3012, 9594), (3198, 9036), (3263, 8856), (4264, 6777), (4428, 6526), (4518, 6396), (4797, 6024)]