1971930896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{2129}}^1$

素因数の和:2284

約数の個数: 80

約数和(自身を含む): 4241238960

約数和(自身を除く): 2269308064

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 73, 104, 122, 146, 208, 244, 292, 488, 584, 793, 949, 976, 1168, 1586, 1898, 2129, 3172, 3796, 4258, 4453, 6344, 7592, 8516, 8906, 12688, 15184, 17032, 17812, 27677, 34064, 35624, 55354, 57889, 71248, 110708, 115778, 129869, 155417, 221416, 231556, 259738, 310834, 442832, 463112, 519476, 621668, 926224, 1038952, 1243336, 1688297, 2020421, 2077904, 2486672, 3376594, 4040842, 6753188, 8081684, 9480437, 13506376, 16163368, 18960874, 27012752, 32326736, 37921748, 75843496, 123245681, 151686992, 246491362, 492982724, 985965448, 1971930896]

約数ペア:

[(1, 1971930896), (2, 985965448), (4, 492982724), (8, 246491362), (13, 151686992), (16, 123245681), (26, 75843496), (52, 37921748), (61, 32326736), (73, 27012752), (104, 18960874), (122, 16163368), (146, 13506376), (208, 9480437), (244, 8081684), (292, 6753188), (488, 4040842), (584, 3376594), (793, 2486672), (949, 2077904), (976, 2020421), (1168, 1688297), (1586, 1243336), (1898, 1038952), (2129, 926224), (3172, 621668), (3796, 519476), (4258, 463112), (4453, 442832), (6344, 310834), (7592, 259738), (8516, 231556), (8906, 221416), (12688, 155417), (15184, 129869), (17032, 115778), (17812, 110708), (27677, 71248), (34064, 57889), (35624, 55354)]