81010984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 171460800

約数和(自身を除く): 90449816

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 107, 136, 152, 214, 293, 323, 428, 586, 646, 856, 1172, 1292, 1819, 2033, 2344, 2584, 3638, 4066, 4981, 5567, 7276, 8132, 9962, 11134, 14552, 16264, 19924, 22268, 31351, 34561, 39848, 44536, 62702, 69122, 94639, 125404, 138244, 189278, 250808, 276488, 378556, 532967, 595669, 757112, 1065934, 1191338, 2131868, 2382676, 4263736, 4765352, 10126373, 20252746, 40505492, 81010984]

約数ペア:

[(1, 81010984), (2, 40505492), (4, 20252746), (8, 10126373), (17, 4765352), (19, 4263736), (34, 2382676), (38, 2131868), (68, 1191338), (76, 1065934), (107, 757112), (136, 595669), (152, 532967), (214, 378556), (293, 276488), (323, 250808), (428, 189278), (586, 138244), (646, 125404), (856, 94639), (1172, 69122), (1292, 62702), (1819, 44536), (2033, 39848), (2344, 34561), (2584, 31351), (3638, 22268), (4066, 19924), (4981, 16264), (5567, 14552), (7276, 11134), (8132, 9962)]