7821996

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:88

約数の個数: 144

約数和(自身を含む): 24595200

約数和(自身を除く): 16773204

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 29, 38, 39, 42, 52, 57, 58, 76, 78, 84, 87, 91, 114, 116, 133, 156, 169, 174, 182, 203, 228, 247, 266, 273, 338, 348, 364, 377, 399, 406, 494, 507, 532, 546, 551, 609, 676, 741, 754, 798, 812, 988, 1014, 1092, 1102, 1131, 1183, 1218, 1482, 1508, 1596, 1653, 1729, 2028, 2204, 2262, 2366, 2436, 2639, 2964, 3211, 3306, 3458, 3549, 3857, 4524, 4732, 4901, 5187, 5278, 6422, 6612, 6916, 7098, 7163, 7714, 7917, 9633, 9802, 10374, 10556, 11571, 12844, 14196, 14326, 14703, 15428, 15834, 19266, 19604, 20748, 21489, 22477, 23142, 28652, 29406, 31668, 34307, 38532, 42978, 44954, 46284, 50141, 58812, 67431, 68614, 85956, 89908, 93119, 100282, 102921, 134862, 137228, 150423, 186238, 200564, 205842, 269724, 279357, 300846, 372476, 411684, 558714, 601692, 651833, 1117428, 1303666, 1955499, 2607332, 3910998, 7821996]

約数ペア:

[(1, 7821996), (2, 3910998), (3, 2607332), (4, 1955499), (6, 1303666), (7, 1117428), (12, 651833), (13, 601692), (14, 558714), (19, 411684), (21, 372476), (26, 300846), (28, 279357), (29, 269724), (38, 205842), (39, 200564), (42, 186238), (52, 150423), (57, 137228), (58, 134862), (76, 102921), (78, 100282), (84, 93119), (87, 89908), (91, 85956), (114, 68614), (116, 67431), (133, 58812), (156, 50141), (169, 46284), (174, 44954), (182, 42978), (203, 38532), (228, 34307), (247, 31668), (266, 29406), (273, 28652), (338, 23142), (348, 22477), (364, 21489), (377, 20748), (399, 19604), (406, 19266), (494, 15834), (507, 15428), (532, 14703), (546, 14326), (551, 14196), (609, 12844), (676, 11571), (741, 10556), (754, 10374), (798, 9802), (812, 9633), (988, 7917), (1014, 7714), (1092, 7163), (1102, 7098), (1131, 6916), (1183, 6612), (1218, 6422), (1482, 5278), (1508, 5187), (1596, 4901), (1653, 4732), (1729, 4524), (2028, 3857), (2204, 3549), (2262, 3458), (2366, 3306), (2436, 3211), (2639, 2964)]