28687932

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:182

約数の個数: 180

約数和(自身を含む): 94626840

約数和(自身を除く): 65938908

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 49, 52, 54, 63, 78, 81, 84, 91, 98, 108, 117, 126, 139, 147, 156, 162, 182, 189, 196, 234, 252, 273, 278, 294, 324, 351, 364, 378, 417, 441, 468, 546, 556, 567, 588, 637, 702, 756, 819, 834, 882, 973, 1053, 1092, 1134, 1251, 1274, 1323, 1404, 1638, 1668, 1764, 1807, 1911, 1946, 2106, 2268, 2457, 2502, 2548, 2646, 2919, 3276, 3614, 3753, 3822, 3892, 3969, 4212, 4914, 5004, 5292, 5421, 5733, 5838, 6811, 7228, 7371, 7506, 7644, 7938, 8757, 9828, 10842, 11259, 11466, 11676, 12649, 13622, 14742, 15012, 15876, 16263, 17199, 17514, 20433, 21684, 22518, 22932, 25298, 26271, 27244, 29484, 32526, 34398, 35028, 37947, 40866, 45036, 48789, 50596, 51597, 52542, 61299, 65052, 68796, 75894, 78813, 81732, 88543, 97578, 103194, 105084, 113841, 122598, 146367, 151788, 157626, 177086, 183897, 195156, 206388, 227682, 245196, 265629, 292734, 315252, 341523, 354172, 367794, 455364, 531258, 551691, 585468, 683046, 735588, 796887, 1024569, 1062516, 1103382, 1366092, 1593774, 2049138, 2206764, 2390661, 3187548, 4098276, 4781322, 7171983, 9562644, 14343966, 28687932]

約数ペア:

[(1, 28687932), (2, 14343966), (3, 9562644), (4, 7171983), (6, 4781322), (7, 4098276), (9, 3187548), (12, 2390661), (13, 2206764), (14, 2049138), (18, 1593774), (21, 1366092), (26, 1103382), (27, 1062516), (28, 1024569), (36, 796887), (39, 735588), (42, 683046), (49, 585468), (52, 551691), (54, 531258), (63, 455364), (78, 367794), (81, 354172), (84, 341523), (91, 315252), (98, 292734), (108, 265629), (117, 245196), (126, 227682), (139, 206388), (147, 195156), (156, 183897), (162, 177086), (182, 157626), (189, 151788), (196, 146367), (234, 122598), (252, 113841), (273, 105084), (278, 103194), (294, 97578), (324, 88543), (351, 81732), (364, 78813), (378, 75894), (417, 68796), (441, 65052), (468, 61299), (546, 52542), (556, 51597), (567, 50596), (588, 48789), (637, 45036), (702, 40866), (756, 37947), (819, 35028), (834, 34398), (882, 32526), (973, 29484), (1053, 27244), (1092, 26271), (1134, 25298), (1251, 22932), (1274, 22518), (1323, 21684), (1404, 20433), (1638, 17514), (1668, 17199), (1764, 16263), (1807, 15876), (1911, 15012), (1946, 14742), (2106, 13622), (2268, 12649), (2457, 11676), (2502, 11466), (2548, 11259), (2646, 10842), (2919, 9828), (3276, 8757), (3614, 7938), (3753, 7644), (3822, 7506), (3892, 7371), (3969, 7228), (4212, 6811), (4914, 5838), (5004, 5733), (5292, 5421)]