28079172

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 84756672

約数和(自身を除く): 56677500

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 43, 44, 51, 66, 68, 86, 97, 99, 102, 129, 132, 153, 172, 187, 194, 198, 204, 258, 291, 306, 374, 387, 388, 396, 473, 516, 561, 582, 612, 731, 748, 774, 873, 946, 1067, 1122, 1164, 1419, 1462, 1548, 1649, 1683, 1746, 1892, 2134, 2193, 2244, 2838, 2924, 3201, 3298, 3366, 3492, 4171, 4257, 4268, 4386, 4947, 5676, 6402, 6579, 6596, 6732, 8041, 8342, 8514, 8772, 9603, 9894, 12513, 12804, 13158, 14841, 16082, 16684, 17028, 18139, 19206, 19788, 24123, 25026, 26316, 29682, 32164, 36278, 37539, 38412, 45881, 48246, 50052, 54417, 59364, 70907, 72369, 72556, 75078, 91762, 96492, 108834, 137643, 141814, 144738, 150156, 163251, 183524, 212721, 217668, 275286, 283628, 289476, 326502, 412929, 425442, 550572, 638163, 653004, 779977, 825858, 850884, 1276326, 1559954, 1651716, 2339931, 2552652, 3119908, 4679862, 7019793, 9359724, 14039586, 28079172]

約数ペア:

[(1, 28079172), (2, 14039586), (3, 9359724), (4, 7019793), (6, 4679862), (9, 3119908), (11, 2552652), (12, 2339931), (17, 1651716), (18, 1559954), (22, 1276326), (33, 850884), (34, 825858), (36, 779977), (43, 653004), (44, 638163), (51, 550572), (66, 425442), (68, 412929), (86, 326502), (97, 289476), (99, 283628), (102, 275286), (129, 217668), (132, 212721), (153, 183524), (172, 163251), (187, 150156), (194, 144738), (198, 141814), (204, 137643), (258, 108834), (291, 96492), (306, 91762), (374, 75078), (387, 72556), (388, 72369), (396, 70907), (473, 59364), (516, 54417), (561, 50052), (582, 48246), (612, 45881), (731, 38412), (748, 37539), (774, 36278), (873, 32164), (946, 29682), (1067, 26316), (1122, 25026), (1164, 24123), (1419, 19788), (1462, 19206), (1548, 18139), (1649, 17028), (1683, 16684), (1746, 16082), (1892, 14841), (2134, 13158), (2193, 12804), (2244, 12513), (2838, 9894), (2924, 9603), (3201, 8772), (3298, 8514), (3366, 8342), (3492, 8041), (4171, 6732), (4257, 6596), (4268, 6579), (4386, 6402), (4947, 5676)]