647420384

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2129}}^1$

素因数の和:2212

約数の個数: 96

約数和(自身を含む): 1487898720

約数和(自身を除く): 840478336

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 43, 52, 68, 86, 104, 136, 172, 208, 221, 272, 344, 416, 442, 544, 559, 688, 731, 884, 1118, 1376, 1462, 1768, 2129, 2236, 2924, 3536, 4258, 4472, 5848, 7072, 8516, 8944, 9503, 11696, 17032, 17888, 19006, 23392, 27677, 34064, 36193, 38012, 55354, 68128, 72386, 76024, 91547, 110708, 144772, 152048, 183094, 221416, 289544, 304096, 366188, 442832, 470509, 579088, 732376, 885664, 941018, 1158176, 1190111, 1464752, 1556299, 1882036, 2380222, 2929504, 3112598, 3764072, 4760444, 6225196, 7528144, 9520888, 12450392, 15056288, 19041776, 20231887, 24900784, 38083552, 40463774, 49801568, 80927548, 161855096, 323710192, 647420384]

約数ペア:

[(1, 647420384), (2, 323710192), (4, 161855096), (8, 80927548), (13, 49801568), (16, 40463774), (17, 38083552), (26, 24900784), (32, 20231887), (34, 19041776), (43, 15056288), (52, 12450392), (68, 9520888), (86, 7528144), (104, 6225196), (136, 4760444), (172, 3764072), (208, 3112598), (221, 2929504), (272, 2380222), (344, 1882036), (416, 1556299), (442, 1464752), (544, 1190111), (559, 1158176), (688, 941018), (731, 885664), (884, 732376), (1118, 579088), (1376, 470509), (1462, 442832), (1768, 366188), (2129, 304096), (2236, 289544), (2924, 221416), (3536, 183094), (4258, 152048), (4472, 144772), (5848, 110708), (7072, 91547), (8516, 76024), (8944, 72386), (9503, 68128), (11696, 55354), (17032, 38012), (17888, 36193), (19006, 34064), (23392, 27677)]