81964806

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 216760320

約数和(自身を除く): 134795514

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 31, 33, 42, 59, 62, 66, 77, 93, 97, 118, 154, 177, 186, 194, 217, 231, 291, 341, 354, 413, 434, 462, 582, 649, 651, 679, 682, 826, 1023, 1067, 1239, 1298, 1302, 1358, 1829, 1947, 2037, 2046, 2134, 2387, 2478, 3007, 3201, 3658, 3894, 4074, 4543, 4774, 5487, 5723, 6014, 6402, 7161, 7469, 9021, 9086, 10974, 11446, 12803, 13629, 14322, 14938, 17169, 18042, 20119, 21049, 22407, 25606, 27258, 33077, 34338, 38409, 40061, 40238, 42098, 44814, 60357, 62953, 63147, 66154, 76818, 80122, 99231, 120183, 120714, 125906, 126294, 140833, 177413, 188859, 198462, 231539, 240366, 281666, 354826, 377718, 422499, 440671, 463078, 532239, 694617, 844998, 881342, 1064478, 1241891, 1322013, 1389234, 1951543, 2483782, 2644026, 3725673, 3903086, 5854629, 7451346, 11709258, 13660801, 27321602, 40982403, 81964806]

約数ペア:

[(1, 81964806), (2, 40982403), (3, 27321602), (6, 13660801), (7, 11709258), (11, 7451346), (14, 5854629), (21, 3903086), (22, 3725673), (31, 2644026), (33, 2483782), (42, 1951543), (59, 1389234), (62, 1322013), (66, 1241891), (77, 1064478), (93, 881342), (97, 844998), (118, 694617), (154, 532239), (177, 463078), (186, 440671), (194, 422499), (217, 377718), (231, 354826), (291, 281666), (341, 240366), (354, 231539), (413, 198462), (434, 188859), (462, 177413), (582, 140833), (649, 126294), (651, 125906), (679, 120714), (682, 120183), (826, 99231), (1023, 80122), (1067, 76818), (1239, 66154), (1298, 63147), (1302, 62953), (1358, 60357), (1829, 44814), (1947, 42098), (2037, 40238), (2046, 40061), (2134, 38409), (2387, 34338), (2478, 33077), (3007, 27258), (3201, 25606), (3658, 22407), (3894, 21049), (4074, 20119), (4543, 18042), (4774, 17169), (5487, 14938), (5723, 14322), (6014, 13629), (6402, 12803), (7161, 11446), (7469, 10974), (9021, 9086)]