1980408924

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{1997}}^1$

素因数の和:2196

約数の個数: 108

約数和(自身を含む): 5456721816

約数和(自身を除く): 3476312892

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 163, 169, 234, 326, 338, 468, 489, 507, 652, 676, 978, 1014, 1467, 1521, 1956, 1997, 2028, 2119, 2934, 3042, 3994, 4238, 5868, 5991, 6084, 6357, 7988, 8476, 11982, 12714, 17973, 19071, 23964, 25428, 25961, 27547, 35946, 38142, 51922, 55094, 71892, 76284, 77883, 82641, 103844, 110188, 155766, 165282, 233649, 247923, 311532, 325511, 330564, 337493, 467298, 495846, 651022, 674986, 934596, 976533, 991692, 1012479, 1302044, 1349972, 1953066, 2024958, 2929599, 3037437, 3906132, 4049916, 4231643, 5859198, 6074874, 8463286, 11718396, 12149748, 12694929, 16926572, 25389858, 38084787, 50779716, 55011359, 76169574, 110022718, 152339148, 165034077, 220045436, 330068154, 495102231, 660136308, 990204462, 1980408924]

約数ペア:

[(1, 1980408924), (2, 990204462), (3, 660136308), (4, 495102231), (6, 330068154), (9, 220045436), (12, 165034077), (13, 152339148), (18, 110022718), (26, 76169574), (36, 55011359), (39, 50779716), (52, 38084787), (78, 25389858), (117, 16926572), (156, 12694929), (163, 12149748), (169, 11718396), (234, 8463286), (326, 6074874), (338, 5859198), (468, 4231643), (489, 4049916), (507, 3906132), (652, 3037437), (676, 2929599), (978, 2024958), (1014, 1953066), (1467, 1349972), (1521, 1302044), (1956, 1012479), (1997, 991692), (2028, 976533), (2119, 934596), (2934, 674986), (3042, 651022), (3994, 495846), (4238, 467298), (5868, 337493), (5991, 330564), (6084, 325511), (6357, 311532), (7988, 247923), (8476, 233649), (11982, 165282), (12714, 155766), (17973, 110188), (19071, 103844), (23964, 82641), (25428, 77883), (25961, 76284), (27547, 71892), (35946, 55094), (38142, 51922)]