28609308

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 192

約数和(自身を含む): 94832640

約数和(自身を除く): 66223332

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 41, 42, 52, 54, 63, 71, 78, 82, 84, 91, 108, 117, 123, 126, 142, 156, 164, 182, 189, 213, 234, 246, 252, 273, 284, 287, 351, 364, 369, 378, 426, 468, 492, 497, 533, 546, 574, 639, 702, 738, 756, 819, 852, 861, 923, 994, 1066, 1092, 1107, 1148, 1278, 1404, 1476, 1491, 1599, 1638, 1722, 1846, 1917, 1988, 2132, 2214, 2457, 2556, 2583, 2769, 2911, 2982, 3198, 3276, 3444, 3692, 3731, 3834, 4428, 4473, 4797, 4914, 5166, 5538, 5822, 5964, 6396, 6461, 7462, 7668, 7749, 8307, 8733, 8946, 9594, 9828, 10332, 11076, 11193, 11644, 12922, 13419, 14391, 14924, 15498, 16614, 17466, 17892, 19188, 19383, 20377, 22386, 24921, 25844, 26199, 26838, 28782, 30996, 33228, 33579, 34932, 37843, 38766, 40754, 44772, 49842, 52398, 53676, 57564, 58149, 61131, 67158, 75686, 77532, 78597, 81508, 99684, 100737, 104796, 113529, 116298, 122262, 134316, 151372, 157194, 174447, 183393, 201474, 227058, 232596, 244524, 264901, 314388, 340587, 348894, 366786, 402948, 454116, 529802, 550179, 681174, 697788, 733572, 794703, 1021761, 1059604, 1100358, 1362348, 1589406, 2043522, 2200716, 2384109, 3178812, 4087044, 4768218, 7152327, 9536436, 14304654, 28609308]

約数ペア:

[(1, 28609308), (2, 14304654), (3, 9536436), (4, 7152327), (6, 4768218), (7, 4087044), (9, 3178812), (12, 2384109), (13, 2200716), (14, 2043522), (18, 1589406), (21, 1362348), (26, 1100358), (27, 1059604), (28, 1021761), (36, 794703), (39, 733572), (41, 697788), (42, 681174), (52, 550179), (54, 529802), (63, 454116), (71, 402948), (78, 366786), (82, 348894), (84, 340587), (91, 314388), (108, 264901), (117, 244524), (123, 232596), (126, 227058), (142, 201474), (156, 183393), (164, 174447), (182, 157194), (189, 151372), (213, 134316), (234, 122262), (246, 116298), (252, 113529), (273, 104796), (284, 100737), (287, 99684), (351, 81508), (364, 78597), (369, 77532), (378, 75686), (426, 67158), (468, 61131), (492, 58149), (497, 57564), (533, 53676), (546, 52398), (574, 49842), (639, 44772), (702, 40754), (738, 38766), (756, 37843), (819, 34932), (852, 33579), (861, 33228), (923, 30996), (994, 28782), (1066, 26838), (1092, 26199), (1107, 25844), (1148, 24921), (1278, 22386), (1404, 20377), (1476, 19383), (1491, 19188), (1599, 17892), (1638, 17466), (1722, 16614), (1846, 15498), (1917, 14924), (1988, 14391), (2132, 13419), (2214, 12922), (2457, 11644), (2556, 11193), (2583, 11076), (2769, 10332), (2911, 9828), (2982, 9594), (3198, 8946), (3276, 8733), (3444, 8307), (3692, 7749), (3731, 7668), (3834, 7462), (4428, 6461), (4473, 6396), (4797, 5964), (4914, 5822), (5166, 5538)]