28201572

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 89631360

約数和(自身を除く): 61429788

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 29, 34, 36, 42, 51, 58, 63, 68, 84, 87, 102, 116, 119, 126, 153, 174, 203, 204, 227, 238, 252, 261, 306, 348, 357, 406, 454, 476, 493, 522, 609, 612, 681, 714, 812, 908, 986, 1044, 1071, 1218, 1362, 1428, 1479, 1589, 1827, 1972, 2043, 2142, 2436, 2724, 2958, 3178, 3451, 3654, 3859, 4086, 4284, 4437, 4767, 5916, 6356, 6583, 6902, 7308, 7718, 8172, 8874, 9534, 10353, 11577, 13166, 13804, 14301, 15436, 17748, 19068, 19749, 20706, 23154, 26332, 27013, 28602, 31059, 34731, 39498, 41412, 46081, 46308, 54026, 57204, 59247, 62118, 69462, 78996, 81039, 92162, 108052, 111911, 118494, 124236, 138243, 138924, 162078, 184324, 223822, 236988, 243117, 276486, 324156, 335733, 414729, 447644, 486234, 552972, 671466, 783377, 829458, 972468, 1007199, 1342932, 1566754, 1658916, 2014398, 2350131, 3133508, 4028796, 4700262, 7050393, 9400524, 14100786, 28201572]

約数ペア:

[(1, 28201572), (2, 14100786), (3, 9400524), (4, 7050393), (6, 4700262), (7, 4028796), (9, 3133508), (12, 2350131), (14, 2014398), (17, 1658916), (18, 1566754), (21, 1342932), (28, 1007199), (29, 972468), (34, 829458), (36, 783377), (42, 671466), (51, 552972), (58, 486234), (63, 447644), (68, 414729), (84, 335733), (87, 324156), (102, 276486), (116, 243117), (119, 236988), (126, 223822), (153, 184324), (174, 162078), (203, 138924), (204, 138243), (227, 124236), (238, 118494), (252, 111911), (261, 108052), (306, 92162), (348, 81039), (357, 78996), (406, 69462), (454, 62118), (476, 59247), (493, 57204), (522, 54026), (609, 46308), (612, 46081), (681, 41412), (714, 39498), (812, 34731), (908, 31059), (986, 28602), (1044, 27013), (1071, 26332), (1218, 23154), (1362, 20706), (1428, 19749), (1479, 19068), (1589, 17748), (1827, 15436), (1972, 14301), (2043, 13804), (2142, 13166), (2436, 11577), (2724, 10353), (2958, 9534), (3178, 8874), (3451, 8172), (3654, 7718), (3859, 7308), (4086, 6902), (4284, 6583), (4437, 6356), (4767, 5916)]