28747816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 60944400

約数和(自身を除く): 32196584

約数列:

[1, 2, 4, 8, 17, 29, 34, 37, 58, 68, 74, 116, 136, 148, 197, 232, 296, 394, 493, 629, 788, 986, 1073, 1258, 1576, 1972, 2146, 2516, 3349, 3944, 4292, 5032, 5713, 6698, 7289, 8584, 11426, 13396, 14578, 18241, 22852, 26792, 29156, 36482, 45704, 58312, 72964, 97121, 123913, 145928, 194242, 211381, 247826, 388484, 422762, 495652, 776968, 845524, 991304, 1691048, 3593477, 7186954, 14373908, 28747816]

約数ペア:

[(1, 28747816), (2, 14373908), (4, 7186954), (8, 3593477), (17, 1691048), (29, 991304), (34, 845524), (37, 776968), (58, 495652), (68, 422762), (74, 388484), (116, 247826), (136, 211381), (148, 194242), (197, 145928), (232, 123913), (296, 97121), (394, 72964), (493, 58312), (629, 45704), (788, 36482), (986, 29156), (1073, 26792), (1258, 22852), (1576, 18241), (1972, 14578), (2146, 13396), (2516, 11426), (3349, 8584), (3944, 7289), (4292, 6698), (5032, 5713)]