66490928

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4271}}^1$

素因数の和:4425

約数の個数: 40

約数和(自身を含む): 148323840

約数和(自身を除く): 81832912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1946, 2224, 3892, 4271, 7784, 8542, 15568, 17084, 29897, 34168, 59794, 68336, 119588, 239176, 478352, 593669, 1187338, 2374676, 4155683, 4749352, 8311366, 9498704, 16622732, 33245464, 66490928]

約数ペア:

[(1, 66490928), (2, 33245464), (4, 16622732), (7, 9498704), (8, 8311366), (14, 4749352), (16, 4155683), (28, 2374676), (56, 1187338), (112, 593669), (139, 478352), (278, 239176), (556, 119588), (973, 68336), (1112, 59794), (1946, 34168), (2224, 29897), (3892, 17084), (4271, 15568), (7784, 8542)]