28579176

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 86486400

約数和(自身を除く): 57907224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 43, 51, 54, 68, 72, 86, 102, 108, 129, 136, 153, 172, 181, 204, 216, 258, 306, 344, 362, 387, 408, 459, 516, 543, 612, 724, 731, 774, 918, 1032, 1086, 1161, 1224, 1448, 1462, 1548, 1629, 1836, 2172, 2193, 2322, 2924, 3077, 3096, 3258, 3672, 4344, 4386, 4644, 4887, 5848, 6154, 6516, 6579, 7783, 8772, 9231, 9288, 9774, 12308, 13032, 13158, 15566, 17544, 18462, 19548, 19737, 23349, 24616, 26316, 27693, 31132, 36924, 39096, 39474, 46698, 52632, 55386, 62264, 70047, 73848, 78948, 83079, 93396, 110772, 132311, 140094, 157896, 166158, 186792, 210141, 221544, 264622, 280188, 332316, 396933, 420282, 529244, 560376, 664632, 793866, 840564, 1058488, 1190799, 1587732, 1681128, 2381598, 3175464, 3572397, 4763196, 7144794, 9526392, 14289588, 28579176]

約数ペア:

[(1, 28579176), (2, 14289588), (3, 9526392), (4, 7144794), (6, 4763196), (8, 3572397), (9, 3175464), (12, 2381598), (17, 1681128), (18, 1587732), (24, 1190799), (27, 1058488), (34, 840564), (36, 793866), (43, 664632), (51, 560376), (54, 529244), (68, 420282), (72, 396933), (86, 332316), (102, 280188), (108, 264622), (129, 221544), (136, 210141), (153, 186792), (172, 166158), (181, 157896), (204, 140094), (216, 132311), (258, 110772), (306, 93396), (344, 83079), (362, 78948), (387, 73848), (408, 70047), (459, 62264), (516, 55386), (543, 52632), (612, 46698), (724, 39474), (731, 39096), (774, 36924), (918, 31132), (1032, 27693), (1086, 26316), (1161, 24616), (1224, 23349), (1448, 19737), (1462, 19548), (1548, 18462), (1629, 17544), (1836, 15566), (2172, 13158), (2193, 13032), (2322, 12308), (2924, 9774), (3077, 9288), (3096, 9231), (3258, 8772), (3672, 7783), (4344, 6579), (4386, 6516), (4644, 6154), (4887, 5848)]