643569136

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:591

約数の個数: 120

約数和(自身を含む): 1553405040

約数和(自身を除く): 909835904

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 98, 109, 112, 119, 136, 196, 218, 238, 272, 392, 436, 443, 476, 763, 784, 833, 872, 886, 952, 1526, 1666, 1744, 1772, 1853, 1904, 3052, 3101, 3332, 3544, 3706, 5341, 6104, 6202, 6664, 7088, 7412, 7531, 10682, 12208, 12404, 12971, 13328, 14824, 15062, 21364, 21707, 24808, 25942, 29648, 30124, 42728, 43414, 48287, 49616, 51884, 52717, 60248, 85456, 86828, 90797, 96574, 103768, 105434, 120496, 173656, 181594, 193148, 207536, 210868, 338009, 347312, 363188, 369019, 386296, 421736, 676018, 726376, 738038, 772592, 820879, 843472, 1352036, 1452752, 1476076, 1641758, 2366063, 2704072, 2952152, 3283516, 4732126, 5408144, 5746153, 5904304, 6567032, 9464252, 11492306, 13134064, 18928504, 22984612, 37857008, 40223071, 45969224, 80446142, 91938448, 160892284, 321784568, 643569136]

約数ペア:

[(1, 643569136), (2, 321784568), (4, 160892284), (7, 91938448), (8, 80446142), (14, 45969224), (16, 40223071), (17, 37857008), (28, 22984612), (34, 18928504), (49, 13134064), (56, 11492306), (68, 9464252), (98, 6567032), (109, 5904304), (112, 5746153), (119, 5408144), (136, 4732126), (196, 3283516), (218, 2952152), (238, 2704072), (272, 2366063), (392, 1641758), (436, 1476076), (443, 1452752), (476, 1352036), (763, 843472), (784, 820879), (833, 772592), (872, 738038), (886, 726376), (952, 676018), (1526, 421736), (1666, 386296), (1744, 369019), (1772, 363188), (1853, 347312), (1904, 338009), (3052, 210868), (3101, 207536), (3332, 193148), (3544, 181594), (3706, 173656), (5341, 120496), (6104, 105434), (6202, 103768), (6664, 96574), (7088, 90797), (7412, 86828), (7531, 85456), (10682, 60248), (12208, 52717), (12404, 51884), (12971, 49616), (13328, 48287), (14824, 43414), (15062, 42728), (21364, 30124), (21707, 29648), (24808, 25942)]