1666778568

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{4861}}^1$

素因数の和:5047

約数の個数: 128

約数和(自身を含む): 5162277120

約数和(自身を除く): 3495498552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 157, 168, 182, 273, 312, 314, 364, 471, 546, 628, 728, 942, 1092, 1099, 1256, 1884, 2041, 2184, 2198, 3297, 3768, 4082, 4396, 4861, 6123, 6594, 8164, 8792, 9722, 12246, 13188, 14287, 14583, 16328, 19444, 24492, 26376, 28574, 29166, 34027, 38888, 42861, 48984, 57148, 58332, 63193, 68054, 85722, 102081, 114296, 116664, 126386, 136108, 171444, 189579, 204162, 252772, 272216, 342888, 379158, 408324, 442351, 505544, 758316, 763177, 816648, 884702, 1327053, 1516632, 1526354, 1769404, 2289531, 2654106, 3052708, 3538808, 4579062, 5308212, 5342239, 6105416, 9158124, 9921301, 10616424, 10684478, 16026717, 18316248, 19842602, 21368956, 29763903, 32053434, 39685204, 42737912, 59527806, 64106868, 69449107, 79370408, 119055612, 128213736, 138898214, 208347321, 238111224, 277796428, 416694642, 555592856, 833389284, 1666778568]

約数ペア:

[(1, 1666778568), (2, 833389284), (3, 555592856), (4, 416694642), (6, 277796428), (7, 238111224), (8, 208347321), (12, 138898214), (13, 128213736), (14, 119055612), (21, 79370408), (24, 69449107), (26, 64106868), (28, 59527806), (39, 42737912), (42, 39685204), (52, 32053434), (56, 29763903), (78, 21368956), (84, 19842602), (91, 18316248), (104, 16026717), (156, 10684478), (157, 10616424), (168, 9921301), (182, 9158124), (273, 6105416), (312, 5342239), (314, 5308212), (364, 4579062), (471, 3538808), (546, 3052708), (628, 2654106), (728, 2289531), (942, 1769404), (1092, 1526354), (1099, 1516632), (1256, 1327053), (1884, 884702), (2041, 816648), (2184, 763177), (2198, 758316), (3297, 505544), (3768, 442351), (4082, 408324), (4396, 379158), (4861, 342888), (6123, 272216), (6594, 252772), (8164, 204162), (8792, 189579), (9722, 171444), (12246, 136108), (13188, 126386), (14287, 116664), (14583, 114296), (16328, 102081), (19444, 85722), (24492, 68054), (26376, 63193), (28574, 58332), (29166, 57148), (34027, 48984), (38888, 42861)]