1338156976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{1361}}^1$

素因数の和:1574

約数の個数: 80

約数和(自身を含む): 2908251360

約数和(自身を除く): 1570094384

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 163, 208, 232, 326, 377, 464, 652, 754, 1304, 1361, 1508, 2119, 2608, 2722, 3016, 4238, 4727, 5444, 6032, 8476, 9454, 10888, 16952, 17693, 18908, 21776, 33904, 35386, 37816, 39469, 61451, 70772, 75632, 78938, 122902, 141544, 157876, 221843, 245804, 283088, 315752, 443686, 491608, 513097, 631504, 887372, 983216, 1026194, 1774744, 2052388, 2883959, 3549488, 4104776, 5767918, 6433447, 8209552, 11535836, 12866894, 23071672, 25733788, 46143344, 51467576, 83634811, 102935152, 167269622, 334539244, 669078488, 1338156976]

約数ペア:

[(1, 1338156976), (2, 669078488), (4, 334539244), (8, 167269622), (13, 102935152), (16, 83634811), (26, 51467576), (29, 46143344), (52, 25733788), (58, 23071672), (104, 12866894), (116, 11535836), (163, 8209552), (208, 6433447), (232, 5767918), (326, 4104776), (377, 3549488), (464, 2883959), (652, 2052388), (754, 1774744), (1304, 1026194), (1361, 983216), (1508, 887372), (2119, 631504), (2608, 513097), (2722, 491608), (3016, 443686), (4238, 315752), (4727, 283088), (5444, 245804), (6032, 221843), (8476, 157876), (9454, 141544), (10888, 122902), (16952, 78938), (17693, 75632), (18908, 70772), (21776, 61451), (33904, 39469), (35386, 37816)]