205743248

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{971}}^1$

素因数の和:1056

約数の個数: 80

約数和(自身を含む): 455595840

約数和(自身を除く): 249852592

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 41, 68, 76, 82, 136, 152, 164, 272, 304, 323, 328, 646, 656, 697, 779, 971, 1292, 1394, 1558, 1942, 2584, 2788, 3116, 3884, 5168, 5576, 6232, 7768, 11152, 12464, 13243, 15536, 16507, 18449, 26486, 33014, 36898, 39811, 52972, 66028, 73796, 79622, 105944, 132056, 147592, 159244, 211888, 264112, 295184, 313633, 318488, 627266, 636976, 676787, 756409, 1254532, 1353574, 1512818, 2509064, 2707148, 3025636, 5018128, 5414296, 6051272, 10828592, 12102544, 12858953, 25717906, 51435812, 102871624, 205743248]

約数ペア:

[(1, 205743248), (2, 102871624), (4, 51435812), (8, 25717906), (16, 12858953), (17, 12102544), (19, 10828592), (34, 6051272), (38, 5414296), (41, 5018128), (68, 3025636), (76, 2707148), (82, 2509064), (136, 1512818), (152, 1353574), (164, 1254532), (272, 756409), (304, 676787), (323, 636976), (328, 627266), (646, 318488), (656, 313633), (697, 295184), (779, 264112), (971, 211888), (1292, 159244), (1394, 147592), (1558, 132056), (1942, 105944), (2584, 79622), (2788, 73796), (3116, 66028), (3884, 52972), (5168, 39811), (5576, 36898), (6232, 33014), (7768, 26486), (11152, 18449), (12464, 16507), (13243, 15536)]