1291229696

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1361}}^1$

素因数の和:1505

約数の個数: 80

約数和(自身を含む): 2758785480

約数和(自身を除く): 1467555784

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 109, 128, 136, 218, 256, 272, 436, 512, 544, 872, 1088, 1361, 1744, 1853, 2176, 2722, 3488, 3706, 4352, 5444, 6976, 7412, 8704, 10888, 13952, 14824, 21776, 23137, 27904, 29648, 43552, 46274, 55808, 59296, 87104, 92548, 118592, 148349, 174208, 185096, 237184, 296698, 348416, 370192, 474368, 593396, 696832, 740384, 948736, 1186792, 1480768, 2373584, 2521933, 2961536, 4747168, 5043866, 5923072, 9494336, 10087732, 11846144, 18988672, 20175464, 37977344, 40350928, 75954688, 80701856, 161403712, 322807424, 645614848, 1291229696]

約数ペア:

[(1, 1291229696), (2, 645614848), (4, 322807424), (8, 161403712), (16, 80701856), (17, 75954688), (32, 40350928), (34, 37977344), (64, 20175464), (68, 18988672), (109, 11846144), (128, 10087732), (136, 9494336), (218, 5923072), (256, 5043866), (272, 4747168), (436, 2961536), (512, 2521933), (544, 2373584), (872, 1480768), (1088, 1186792), (1361, 948736), (1744, 740384), (1853, 696832), (2176, 593396), (2722, 474368), (3488, 370192), (3706, 348416), (4352, 296698), (5444, 237184), (6976, 185096), (7412, 174208), (8704, 148349), (10888, 118592), (13952, 92548), (14824, 87104), (21776, 59296), (23137, 55808), (27904, 46274), (29648, 43552)]