205761528

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{631}}^1\times {\mathrm{647}}^1$

素因数の和:1297

約数の個数: 96

約数和(自身を含む): 638876160

約数和(自身を除く): 433114632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 631, 647, 1262, 1294, 1893, 1941, 2524, 2588, 3786, 3882, 4417, 4529, 5048, 5176, 5679, 5823, 7572, 7764, 8834, 9058, 11358, 11646, 13251, 13587, 15144, 15528, 17668, 18116, 22716, 23292, 26502, 27174, 35336, 36232, 39753, 40761, 45432, 46584, 53004, 54348, 79506, 81522, 106008, 108696, 159012, 163044, 318024, 326088, 408257, 816514, 1224771, 1633028, 2449542, 2857799, 3266056, 3674313, 4899084, 5715598, 7348626, 8573397, 9798168, 11431196, 14697252, 17146794, 22862392, 25720191, 29394504, 34293588, 51440382, 68587176, 102880764, 205761528]

約数ペア:

[(1, 205761528), (2, 102880764), (3, 68587176), (4, 51440382), (6, 34293588), (7, 29394504), (8, 25720191), (9, 22862392), (12, 17146794), (14, 14697252), (18, 11431196), (21, 9798168), (24, 8573397), (28, 7348626), (36, 5715598), (42, 4899084), (56, 3674313), (63, 3266056), (72, 2857799), (84, 2449542), (126, 1633028), (168, 1224771), (252, 816514), (504, 408257), (631, 326088), (647, 318024), (1262, 163044), (1294, 159012), (1893, 108696), (1941, 106008), (2524, 81522), (2588, 79506), (3786, 54348), (3882, 53004), (4417, 46584), (4529, 45432), (5048, 40761), (5176, 39753), (5679, 36232), (5823, 35336), (7572, 27174), (7764, 26502), (8834, 23292), (9058, 22716), (11358, 18116), (11646, 17668), (13251, 15528), (13587, 15144)]