28348236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 87919104

約数和(自身を除く): 59570868

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 67, 69, 73, 84, 92, 126, 134, 138, 146, 161, 201, 207, 219, 252, 268, 276, 292, 322, 402, 414, 438, 469, 483, 511, 603, 644, 657, 804, 828, 876, 938, 966, 1022, 1206, 1314, 1407, 1449, 1533, 1541, 1679, 1876, 1932, 2044, 2412, 2628, 2814, 2898, 3066, 3082, 3358, 4221, 4599, 4623, 4891, 5037, 5628, 5796, 6132, 6164, 6716, 8442, 9198, 9246, 9782, 10074, 10787, 11753, 13869, 14673, 15111, 16884, 18396, 18492, 19564, 20148, 21574, 23506, 27738, 29346, 30222, 32361, 34237, 35259, 43148, 44019, 47012, 55476, 58692, 60444, 64722, 68474, 70518, 88038, 97083, 102711, 105777, 112493, 129444, 136948, 141036, 176076, 194166, 205422, 211554, 224986, 308133, 337479, 388332, 410844, 423108, 449972, 616266, 674958, 787451, 1012437, 1232532, 1349916, 1574902, 2024874, 2362353, 3149804, 4049748, 4724706, 7087059, 9449412, 14174118, 28348236]

約数ペア:

[(1, 28348236), (2, 14174118), (3, 9449412), (4, 7087059), (6, 4724706), (7, 4049748), (9, 3149804), (12, 2362353), (14, 2024874), (18, 1574902), (21, 1349916), (23, 1232532), (28, 1012437), (36, 787451), (42, 674958), (46, 616266), (63, 449972), (67, 423108), (69, 410844), (73, 388332), (84, 337479), (92, 308133), (126, 224986), (134, 211554), (138, 205422), (146, 194166), (161, 176076), (201, 141036), (207, 136948), (219, 129444), (252, 112493), (268, 105777), (276, 102711), (292, 97083), (322, 88038), (402, 70518), (414, 68474), (438, 64722), (469, 60444), (483, 58692), (511, 55476), (603, 47012), (644, 44019), (657, 43148), (804, 35259), (828, 34237), (876, 32361), (938, 30222), (966, 29346), (1022, 27738), (1206, 23506), (1314, 21574), (1407, 20148), (1449, 19564), (1533, 18492), (1541, 18396), (1679, 16884), (1876, 15111), (1932, 14673), (2044, 13869), (2412, 11753), (2628, 10787), (2814, 10074), (2898, 9782), (3066, 9246), (3082, 9198), (3358, 8442), (4221, 6716), (4599, 6164), (4623, 6132), (4891, 5796), (5037, 5628)]