128749568

素因数分解:

$2^{12}\times {\mathrm{17}}^1\times {\mathrm{43}}^2$

素因数の和:127

約数の個数: 78

約数和(自身を含む): 279100134

約数和(自身を除く): 150350566

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 64, 68, 86, 128, 136, 172, 256, 272, 344, 512, 544, 688, 731, 1024, 1088, 1376, 1462, 1849, 2048, 2176, 2752, 2924, 3698, 4096, 4352, 5504, 5848, 7396, 8704, 11008, 11696, 14792, 17408, 22016, 23392, 29584, 31433, 34816, 44032, 46784, 59168, 62866, 69632, 88064, 93568, 118336, 125732, 176128, 187136, 236672, 251464, 374272, 473344, 502928, 748544, 946688, 1005856, 1497088, 1893376, 2011712, 2994176, 3786752, 4023424, 7573504, 8046848, 16093696, 32187392, 64374784, 128749568]

約数ペア:

[(1, 128749568), (2, 64374784), (4, 32187392), (8, 16093696), (16, 8046848), (17, 7573504), (32, 4023424), (34, 3786752), (43, 2994176), (64, 2011712), (68, 1893376), (86, 1497088), (128, 1005856), (136, 946688), (172, 748544), (256, 502928), (272, 473344), (344, 374272), (512, 251464), (544, 236672), (688, 187136), (731, 176128), (1024, 125732), (1088, 118336), (1376, 93568), (1462, 88064), (1849, 69632), (2048, 62866), (2176, 59168), (2752, 46784), (2924, 44032), (3698, 34816), (4096, 31433), (4352, 29584), (5504, 23392), (5848, 22016), (7396, 17408), (8704, 14792), (11008, 11696)]