28645008

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:685

約数の個数: 120

約数和(自身を含む): 90753120

約数和(自身を除く): 62108112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 49, 56, 57, 76, 84, 98, 112, 114, 133, 147, 152, 168, 196, 228, 266, 294, 304, 336, 392, 399, 456, 532, 588, 641, 784, 798, 912, 931, 1064, 1176, 1282, 1596, 1862, 1923, 2128, 2352, 2564, 2793, 3192, 3724, 3846, 4487, 5128, 5586, 6384, 7448, 7692, 8974, 10256, 11172, 12179, 13461, 14896, 15384, 17948, 22344, 24358, 26922, 30768, 31409, 35896, 36537, 44688, 48716, 53844, 62818, 71792, 73074, 85253, 94227, 97432, 107688, 125636, 146148, 170506, 188454, 194864, 215376, 251272, 255759, 292296, 341012, 376908, 502544, 511518, 584592, 596771, 682024, 753816, 1023036, 1193542, 1364048, 1507632, 1790313, 2046072, 2387084, 3580626, 4092144, 4774168, 7161252, 9548336, 14322504, 28645008]

約数ペア:

[(1, 28645008), (2, 14322504), (3, 9548336), (4, 7161252), (6, 4774168), (7, 4092144), (8, 3580626), (12, 2387084), (14, 2046072), (16, 1790313), (19, 1507632), (21, 1364048), (24, 1193542), (28, 1023036), (38, 753816), (42, 682024), (48, 596771), (49, 584592), (56, 511518), (57, 502544), (76, 376908), (84, 341012), (98, 292296), (112, 255759), (114, 251272), (133, 215376), (147, 194864), (152, 188454), (168, 170506), (196, 146148), (228, 125636), (266, 107688), (294, 97432), (304, 94227), (336, 85253), (392, 73074), (399, 71792), (456, 62818), (532, 53844), (588, 48716), (641, 44688), (784, 36537), (798, 35896), (912, 31409), (931, 30768), (1064, 26922), (1176, 24358), (1282, 22344), (1596, 17948), (1862, 15384), (1923, 14896), (2128, 13461), (2352, 12179), (2564, 11172), (2793, 10256), (3192, 8974), (3724, 7692), (3846, 7448), (4487, 6384), (5128, 5586)]