81566576

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:239

約数の個数: 120

約数和(自身を含む): 203049504

約数和(自身を除く): 121482928

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 53, 56, 91, 98, 104, 106, 112, 151, 182, 196, 208, 212, 302, 364, 371, 392, 424, 604, 637, 689, 728, 742, 784, 848, 1057, 1208, 1274, 1378, 1456, 1484, 1963, 2114, 2416, 2548, 2597, 2756, 2968, 3926, 4228, 4823, 5096, 5194, 5512, 5936, 7399, 7852, 8003, 8456, 9646, 10192, 10388, 11024, 13741, 14798, 15704, 16006, 16912, 19292, 20776, 27482, 29596, 31408, 32012, 33761, 38584, 41552, 54964, 56021, 59192, 64024, 67522, 77168, 96187, 104039, 109928, 112042, 118384, 128048, 135044, 192374, 208078, 219856, 224084, 270088, 384748, 392147, 416156, 448168, 540176, 728273, 769496, 784294, 832312, 896336, 1456546, 1538992, 1568588, 1664624, 2913092, 3137176, 5097911, 5826184, 6274352, 10195822, 11652368, 20391644, 40783288, 81566576]

約数ペア:

[(1, 81566576), (2, 40783288), (4, 20391644), (7, 11652368), (8, 10195822), (13, 6274352), (14, 5826184), (16, 5097911), (26, 3137176), (28, 2913092), (49, 1664624), (52, 1568588), (53, 1538992), (56, 1456546), (91, 896336), (98, 832312), (104, 784294), (106, 769496), (112, 728273), (151, 540176), (182, 448168), (196, 416156), (208, 392147), (212, 384748), (302, 270088), (364, 224084), (371, 219856), (392, 208078), (424, 192374), (604, 135044), (637, 128048), (689, 118384), (728, 112042), (742, 109928), (784, 104039), (848, 96187), (1057, 77168), (1208, 67522), (1274, 64024), (1378, 59192), (1456, 56021), (1484, 54964), (1963, 41552), (2114, 38584), (2416, 33761), (2548, 32012), (2597, 31408), (2756, 29596), (2968, 27482), (3926, 20776), (4228, 19292), (4823, 16912), (5096, 16006), (5194, 15704), (5512, 14798), (5936, 13741), (7399, 11024), (7852, 10388), (8003, 10192), (8456, 9646)]