28298676

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 86184000

約数和(自身を除く): 57885324

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 19, 21, 28, 34, 38, 42, 49, 51, 57, 68, 76, 84, 98, 102, 114, 119, 133, 147, 149, 196, 204, 228, 238, 266, 294, 298, 323, 357, 399, 447, 476, 532, 588, 596, 646, 714, 798, 833, 894, 931, 969, 1043, 1292, 1428, 1596, 1666, 1788, 1862, 1938, 2086, 2261, 2499, 2533, 2793, 2831, 3129, 3332, 3724, 3876, 4172, 4522, 4998, 5066, 5586, 5662, 6258, 6783, 7301, 7599, 8493, 9044, 9996, 10132, 11172, 11324, 12516, 13566, 14602, 15198, 15827, 16986, 17731, 19817, 21903, 27132, 29204, 30396, 31654, 33972, 35462, 39634, 43806, 47481, 48127, 53193, 59451, 63308, 70924, 79268, 87612, 94962, 96254, 106386, 118902, 124117, 138719, 144381, 189924, 192508, 212772, 237804, 248234, 277438, 288762, 336889, 372351, 416157, 496468, 554876, 577524, 673778, 744702, 832314, 1010667, 1347556, 1489404, 1664628, 2021334, 2358223, 4042668, 4716446, 7074669, 9432892, 14149338, 28298676]

約数ペア:

[(1, 28298676), (2, 14149338), (3, 9432892), (4, 7074669), (6, 4716446), (7, 4042668), (12, 2358223), (14, 2021334), (17, 1664628), (19, 1489404), (21, 1347556), (28, 1010667), (34, 832314), (38, 744702), (42, 673778), (49, 577524), (51, 554876), (57, 496468), (68, 416157), (76, 372351), (84, 336889), (98, 288762), (102, 277438), (114, 248234), (119, 237804), (133, 212772), (147, 192508), (149, 189924), (196, 144381), (204, 138719), (228, 124117), (238, 118902), (266, 106386), (294, 96254), (298, 94962), (323, 87612), (357, 79268), (399, 70924), (447, 63308), (476, 59451), (532, 53193), (588, 48127), (596, 47481), (646, 43806), (714, 39634), (798, 35462), (833, 33972), (894, 31654), (931, 30396), (969, 29204), (1043, 27132), (1292, 21903), (1428, 19817), (1596, 17731), (1666, 16986), (1788, 15827), (1862, 15198), (1938, 14602), (2086, 13566), (2261, 12516), (2499, 11324), (2533, 11172), (2793, 10132), (2831, 9996), (3129, 9044), (3332, 8493), (3724, 7599), (3876, 7301), (4172, 6783), (4522, 6258), (4998, 5662), (5066, 5586)]