129778816

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 298900800

約数和(自身を除く): 169121984

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 43, 64, 68, 73, 76, 86, 128, 136, 146, 152, 172, 272, 292, 304, 323, 344, 544, 584, 608, 646, 688, 731, 817, 1088, 1168, 1216, 1241, 1292, 1376, 1387, 1462, 1634, 2176, 2336, 2432, 2482, 2584, 2752, 2774, 2924, 3139, 3268, 4672, 4964, 5168, 5504, 5548, 5848, 6278, 6536, 9344, 9928, 10336, 11096, 11696, 12556, 13072, 13889, 19856, 20672, 22192, 23392, 23579, 25112, 26144, 27778, 39712, 41344, 44384, 46784, 47158, 50224, 52288, 53363, 55556, 59641, 79424, 88768, 93568, 94316, 100448, 104576, 106726, 111112, 119282, 158848, 177536, 188632, 200896, 213452, 222224, 238564, 377264, 401792, 426904, 444448, 477128, 754528, 853808, 888896, 954256, 1013897, 1509056, 1707616, 1777792, 1908512, 2027794, 3018112, 3415232, 3817024, 4055588, 6830464, 7634048, 8111176, 16222352, 32444704, 64889408, 129778816]

約数ペア:

[(1, 129778816), (2, 64889408), (4, 32444704), (8, 16222352), (16, 8111176), (17, 7634048), (19, 6830464), (32, 4055588), (34, 3817024), (38, 3415232), (43, 3018112), (64, 2027794), (68, 1908512), (73, 1777792), (76, 1707616), (86, 1509056), (128, 1013897), (136, 954256), (146, 888896), (152, 853808), (172, 754528), (272, 477128), (292, 444448), (304, 426904), (323, 401792), (344, 377264), (544, 238564), (584, 222224), (608, 213452), (646, 200896), (688, 188632), (731, 177536), (817, 158848), (1088, 119282), (1168, 111112), (1216, 106726), (1241, 104576), (1292, 100448), (1376, 94316), (1387, 93568), (1462, 88768), (1634, 79424), (2176, 59641), (2336, 55556), (2432, 53363), (2482, 52288), (2584, 50224), (2752, 47158), (2774, 46784), (2924, 44384), (3139, 41344), (3268, 39712), (4672, 27778), (4964, 26144), (5168, 25112), (5504, 23579), (5548, 23392), (5848, 22192), (6278, 20672), (6536, 19856), (9344, 13889), (9928, 13072), (10336, 12556), (11096, 11696)]