647924004

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197779}}^1$

素因数の和:197809

約数の個数: 72

約数和(自身を含む): 2015773760

約数和(自身を除く): 1367849756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 197779, 395558, 593337, 791116, 1186674, 1384453, 1780011, 2373348, 2571127, 2768906, 3560022, 4153359, 5142254, 5537812, 7120044, 7713381, 8306718, 10284508, 12460077, 15426762, 16613436, 17997889, 23140143, 24920154, 30853524, 35995778, 46280286, 49840308, 53993667, 71991556, 92560572, 107987334, 161981001, 215974668, 323962002, 647924004]

約数ペア:

[(1, 647924004), (2, 323962002), (3, 215974668), (4, 161981001), (6, 107987334), (7, 92560572), (9, 71991556), (12, 53993667), (13, 49840308), (14, 46280286), (18, 35995778), (21, 30853524), (26, 24920154), (28, 23140143), (36, 17997889), (39, 16613436), (42, 15426762), (52, 12460077), (63, 10284508), (78, 8306718), (84, 7713381), (91, 7120044), (117, 5537812), (126, 5142254), (156, 4153359), (182, 3560022), (234, 2768906), (252, 2571127), (273, 2373348), (364, 1780011), (468, 1384453), (546, 1186674), (819, 791116), (1092, 593337), (1638, 395558), (3276, 197779)]