268650928

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:691

約数の個数: 120

約数和(自身を含む): 668321808

約数和(自身を除く): 399670880

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 49, 52, 56, 86, 91, 98, 104, 112, 172, 182, 196, 208, 301, 344, 364, 392, 559, 602, 613, 637, 688, 728, 784, 1118, 1204, 1226, 1274, 1456, 2107, 2236, 2408, 2452, 2548, 3913, 4214, 4291, 4472, 4816, 4904, 5096, 7826, 7969, 8428, 8582, 8944, 9808, 10192, 15652, 15938, 16856, 17164, 26359, 27391, 30037, 31304, 31876, 33712, 34328, 52718, 54782, 55783, 60074, 62608, 63752, 68656, 105436, 109564, 111566, 120148, 127504, 184513, 210872, 219128, 223132, 240296, 342667, 369026, 390481, 421744, 438256, 446264, 480592, 685334, 738052, 780962, 892528, 1291591, 1370668, 1476104, 1561924, 2398669, 2583182, 2741336, 2952208, 3123848, 4797338, 5166364, 5482672, 6247696, 9594676, 10332728, 16790683, 19189352, 20665456, 33581366, 38378704, 67162732, 134325464, 268650928]

約数ペア:

[(1, 268650928), (2, 134325464), (4, 67162732), (7, 38378704), (8, 33581366), (13, 20665456), (14, 19189352), (16, 16790683), (26, 10332728), (28, 9594676), (43, 6247696), (49, 5482672), (52, 5166364), (56, 4797338), (86, 3123848), (91, 2952208), (98, 2741336), (104, 2583182), (112, 2398669), (172, 1561924), (182, 1476104), (196, 1370668), (208, 1291591), (301, 892528), (344, 780962), (364, 738052), (392, 685334), (559, 480592), (602, 446264), (613, 438256), (637, 421744), (688, 390481), (728, 369026), (784, 342667), (1118, 240296), (1204, 223132), (1226, 219128), (1274, 210872), (1456, 184513), (2107, 127504), (2236, 120148), (2408, 111566), (2452, 109564), (2548, 105436), (3913, 68656), (4214, 63752), (4291, 62608), (4472, 60074), (4816, 55783), (4904, 54782), (5096, 52718), (7826, 34328), (7969, 33712), (8428, 31876), (8582, 31304), (8944, 30037), (9808, 27391), (10192, 26359), (15652, 17164), (15938, 16856)]