28964488

素因数分解:

$2^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2054

約数の個数: 48

約数和(自身を含む): 64915020

約数和(自身を除く): 35950532

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 49, 56, 74, 98, 148, 196, 259, 296, 392, 518, 1036, 1813, 1997, 2072, 3626, 3994, 7252, 7988, 13979, 14504, 15976, 27958, 55916, 73889, 97853, 111832, 147778, 195706, 295556, 391412, 517223, 591112, 782824, 1034446, 2068892, 3620561, 4137784, 7241122, 14482244, 28964488]

約数ペア:

[(1, 28964488), (2, 14482244), (4, 7241122), (7, 4137784), (8, 3620561), (14, 2068892), (28, 1034446), (37, 782824), (49, 591112), (56, 517223), (74, 391412), (98, 295556), (148, 195706), (196, 147778), (259, 111832), (296, 97853), (392, 73889), (518, 55916), (1036, 27958), (1813, 15976), (1997, 14504), (2072, 13979), (3626, 7988), (3994, 7252)]