28401672

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 82051200

約数和(自身を除く): 53649528

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 39, 43, 52, 58, 73, 78, 86, 87, 104, 116, 129, 146, 156, 172, 174, 219, 232, 258, 292, 312, 344, 348, 377, 438, 516, 559, 584, 696, 754, 876, 949, 1032, 1118, 1131, 1247, 1508, 1677, 1752, 1898, 2117, 2236, 2262, 2494, 2847, 3016, 3139, 3354, 3741, 3796, 4234, 4472, 4524, 4988, 5694, 6278, 6351, 6708, 7482, 7592, 8468, 9048, 9417, 9976, 11388, 12556, 12702, 13416, 14964, 16211, 16936, 18834, 22776, 25112, 25404, 27521, 29928, 32422, 37668, 40807, 48633, 50808, 55042, 64844, 75336, 81614, 82563, 91031, 97266, 110084, 122421, 129688, 163228, 165126, 182062, 194532, 220168, 244842, 273093, 326456, 330252, 364124, 389064, 489684, 546186, 660504, 728248, 979368, 1092372, 1183403, 2184744, 2366806, 3550209, 4733612, 7100418, 9467224, 14200836, 28401672]

約数ペア:

[(1, 28401672), (2, 14200836), (3, 9467224), (4, 7100418), (6, 4733612), (8, 3550209), (12, 2366806), (13, 2184744), (24, 1183403), (26, 1092372), (29, 979368), (39, 728248), (43, 660504), (52, 546186), (58, 489684), (73, 389064), (78, 364124), (86, 330252), (87, 326456), (104, 273093), (116, 244842), (129, 220168), (146, 194532), (156, 182062), (172, 165126), (174, 163228), (219, 129688), (232, 122421), (258, 110084), (292, 97266), (312, 91031), (344, 82563), (348, 81614), (377, 75336), (438, 64844), (516, 55042), (559, 50808), (584, 48633), (696, 40807), (754, 37668), (876, 32422), (949, 29928), (1032, 27521), (1118, 25404), (1131, 25112), (1247, 22776), (1508, 18834), (1677, 16936), (1752, 16211), (1898, 14964), (2117, 13416), (2236, 12702), (2262, 12556), (2494, 11388), (2847, 9976), (3016, 9417), (3139, 9048), (3354, 8468), (3741, 7592), (3796, 7482), (4234, 6708), (4472, 6351), (4524, 6278), (4988, 5694)]