28774284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 89376000

約数和(自身を除く): 60601716

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 19, 21, 22, 28, 33, 38, 42, 44, 57, 66, 76, 77, 84, 114, 121, 132, 133, 149, 154, 209, 228, 231, 242, 266, 298, 308, 363, 399, 418, 447, 462, 484, 532, 596, 627, 726, 798, 836, 847, 894, 924, 1043, 1254, 1452, 1463, 1596, 1639, 1694, 1788, 2086, 2299, 2508, 2541, 2831, 2926, 3129, 3278, 3388, 4172, 4389, 4598, 4917, 5082, 5662, 5852, 6258, 6556, 6897, 8493, 8778, 9196, 9834, 10164, 11324, 11473, 12516, 13794, 16093, 16986, 17556, 18029, 19668, 19817, 22946, 27588, 31141, 32186, 33972, 34419, 36058, 39634, 45892, 48279, 54087, 59451, 62282, 64372, 68838, 72116, 79268, 93423, 96558, 108174, 118902, 124564, 126203, 137676, 186846, 193116, 216348, 217987, 237804, 252406, 342551, 373692, 378609, 435974, 504812, 653961, 685102, 757218, 871948, 1027653, 1307922, 1370204, 1514436, 2055306, 2397857, 2615844, 4110612, 4795714, 7193571, 9591428, 14387142, 28774284]

約数ペア:

[(1, 28774284), (2, 14387142), (3, 9591428), (4, 7193571), (6, 4795714), (7, 4110612), (11, 2615844), (12, 2397857), (14, 2055306), (19, 1514436), (21, 1370204), (22, 1307922), (28, 1027653), (33, 871948), (38, 757218), (42, 685102), (44, 653961), (57, 504812), (66, 435974), (76, 378609), (77, 373692), (84, 342551), (114, 252406), (121, 237804), (132, 217987), (133, 216348), (149, 193116), (154, 186846), (209, 137676), (228, 126203), (231, 124564), (242, 118902), (266, 108174), (298, 96558), (308, 93423), (363, 79268), (399, 72116), (418, 68838), (447, 64372), (462, 62282), (484, 59451), (532, 54087), (596, 48279), (627, 45892), (726, 39634), (798, 36058), (836, 34419), (847, 33972), (894, 32186), (924, 31141), (1043, 27588), (1254, 22946), (1452, 19817), (1463, 19668), (1596, 18029), (1639, 17556), (1694, 16986), (1788, 16093), (2086, 13794), (2299, 12516), (2508, 11473), (2541, 11324), (2831, 10164), (2926, 9834), (3129, 9196), (3278, 8778), (3388, 8493), (4172, 6897), (4389, 6556), (4598, 6258), (4917, 5852), (5082, 5662)]