128081128

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 313286400

約数和(自身を除く): 185205272

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 56, 68, 73, 76, 97, 119, 133, 136, 146, 152, 194, 238, 266, 292, 323, 388, 476, 511, 532, 584, 646, 679, 776, 952, 1022, 1064, 1241, 1292, 1358, 1387, 1649, 1843, 2044, 2261, 2482, 2584, 2716, 2774, 3298, 3686, 4088, 4522, 4964, 5432, 5548, 6596, 7081, 7372, 8687, 9044, 9709, 9928, 11096, 11543, 12901, 13192, 14162, 14744, 17374, 18088, 19418, 23086, 23579, 25802, 28324, 31331, 34748, 38836, 46172, 47158, 49567, 51604, 56648, 62662, 69496, 77672, 92344, 94316, 99134, 103208, 120377, 125324, 134539, 165053, 188632, 198268, 219317, 240754, 250648, 269078, 330106, 396536, 438634, 481508, 538156, 660212, 842639, 877268, 941773, 963016, 1076312, 1320424, 1685278, 1754536, 1883546, 2287163, 3370556, 3767092, 4574326, 6741112, 7534184, 9148652, 16010141, 18297304, 32020282, 64040564, 128081128]

約数ペア:

[(1, 128081128), (2, 64040564), (4, 32020282), (7, 18297304), (8, 16010141), (14, 9148652), (17, 7534184), (19, 6741112), (28, 4574326), (34, 3767092), (38, 3370556), (56, 2287163), (68, 1883546), (73, 1754536), (76, 1685278), (97, 1320424), (119, 1076312), (133, 963016), (136, 941773), (146, 877268), (152, 842639), (194, 660212), (238, 538156), (266, 481508), (292, 438634), (323, 396536), (388, 330106), (476, 269078), (511, 250648), (532, 240754), (584, 219317), (646, 198268), (679, 188632), (776, 165053), (952, 134539), (1022, 125324), (1064, 120377), (1241, 103208), (1292, 99134), (1358, 94316), (1387, 92344), (1649, 77672), (1843, 69496), (2044, 62662), (2261, 56648), (2482, 51604), (2584, 49567), (2716, 47158), (2774, 46172), (3298, 38836), (3686, 34748), (4088, 31331), (4522, 28324), (4964, 25802), (5432, 23579), (5548, 23086), (6596, 19418), (7081, 18088), (7372, 17374), (8687, 14744), (9044, 14162), (9709, 13192), (9928, 12901), (11096, 11543)]