81633272

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1051}}^1$

素因数の和:1156

約数の個数: 64

約数和(自身を含む): 186835200

約数和(自身を除く): 105201928

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 73, 76, 133, 146, 152, 266, 292, 511, 532, 584, 1022, 1051, 1064, 1387, 2044, 2102, 2774, 4088, 4204, 5548, 7357, 8408, 9709, 11096, 14714, 19418, 19969, 29428, 38836, 39938, 58856, 76723, 77672, 79876, 139783, 153446, 159752, 279566, 306892, 537061, 559132, 613784, 1074122, 1118264, 1457737, 2148244, 2915474, 4296488, 5830948, 10204159, 11661896, 20408318, 40816636, 81633272]

約数ペア:

[(1, 81633272), (2, 40816636), (4, 20408318), (7, 11661896), (8, 10204159), (14, 5830948), (19, 4296488), (28, 2915474), (38, 2148244), (56, 1457737), (73, 1118264), (76, 1074122), (133, 613784), (146, 559132), (152, 537061), (266, 306892), (292, 279566), (511, 159752), (532, 153446), (584, 139783), (1022, 79876), (1051, 77672), (1064, 76723), (1387, 58856), (2044, 39938), (2102, 38836), (2774, 29428), (4088, 19969), (4204, 19418), (5548, 14714), (7357, 11096), (8408, 9709)]