1318438242

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:549

約数の個数: 128

約数和(自身を含む): 3309465600

約数和(自身を除く): 1991027358

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 37, 54, 66, 74, 99, 111, 198, 222, 239, 251, 297, 333, 407, 478, 502, 594, 666, 717, 753, 814, 999, 1221, 1434, 1506, 1998, 2151, 2259, 2442, 2629, 2761, 3663, 4302, 4518, 5258, 5522, 6453, 6777, 7326, 7887, 8283, 8843, 9287, 10989, 12906, 13554, 15774, 16566, 17686, 18574, 21978, 23661, 24849, 26529, 27861, 47322, 49698, 53058, 55722, 59989, 70983, 74547, 79587, 83583, 97273, 102157, 119978, 141966, 149094, 159174, 167166, 179967, 194546, 204314, 238761, 250749, 291819, 306471, 359934, 477522, 501498, 539901, 583638, 612942, 659879, 875457, 919413, 1079802, 1319758, 1619703, 1750914, 1838826, 1979637, 2219593, 2626371, 2758239, 3239406, 3959274, 4439186, 5252742, 5516478, 5938911, 6658779, 11877822, 13317558, 17816733, 19976337, 24415523, 35633466, 39952674, 48831046, 59929011, 73246569, 119858022, 146493138, 219739707, 439479414, 659219121, 1318438242]

約数ペア:

[(1, 1318438242), (2, 659219121), (3, 439479414), (6, 219739707), (9, 146493138), (11, 119858022), (18, 73246569), (22, 59929011), (27, 48831046), (33, 39952674), (37, 35633466), (54, 24415523), (66, 19976337), (74, 17816733), (99, 13317558), (111, 11877822), (198, 6658779), (222, 5938911), (239, 5516478), (251, 5252742), (297, 4439186), (333, 3959274), (407, 3239406), (478, 2758239), (502, 2626371), (594, 2219593), (666, 1979637), (717, 1838826), (753, 1750914), (814, 1619703), (999, 1319758), (1221, 1079802), (1434, 919413), (1506, 875457), (1998, 659879), (2151, 612942), (2259, 583638), (2442, 539901), (2629, 501498), (2761, 477522), (3663, 359934), (4302, 306471), (4518, 291819), (5258, 250749), (5522, 238761), (6453, 204314), (6777, 194546), (7326, 179967), (7887, 167166), (8283, 159174), (8843, 149094), (9287, 141966), (10989, 119978), (12906, 102157), (13554, 97273), (15774, 83583), (16566, 79587), (17686, 74547), (18574, 70983), (21978, 59989), (23661, 55722), (24849, 53058), (26529, 49698), (27861, 47322)]