78139565

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 117530352

約数和(自身を除く): 39390787

約数列:

[1, 5, 7, 17, 35, 49, 73, 85, 119, 245, 257, 365, 511, 595, 833, 1241, 1285, 1799, 2555, 3577, 4165, 4369, 6205, 8687, 8995, 12593, 17885, 18761, 21845, 30583, 43435, 60809, 62965, 93805, 131327, 152915, 214081, 304045, 318937, 656635, 919289, 1070405, 1594685, 2232559, 4596445, 11162795, 15627913, 78139565]

約数ペア:

[(1, 78139565), (5, 15627913), (7, 11162795), (17, 4596445), (35, 2232559), (49, 1594685), (73, 1070405), (85, 919289), (119, 656635), (245, 318937), (257, 304045), (365, 214081), (511, 152915), (595, 131327), (833, 93805), (1241, 62965), (1285, 60809), (1799, 43435), (2555, 30583), (3577, 21845), (4165, 18761), (4369, 17885), (6205, 12593), (8687, 8995)]