71087485

素因数分解:

$5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{1129}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 99706680

約数和(自身を除く): 28619195

約数列:

[1, 5, 7, 35, 49, 245, 257, 1129, 1285, 1799, 5645, 7903, 8995, 12593, 39515, 55321, 62965, 276605, 290153, 1450765, 2031071, 10155355, 14217497, 71087485]

約数ペア:

[(1, 71087485), (5, 14217497), (7, 10155355), (35, 2031071), (49, 1450765), (245, 290153), (257, 276605), (1129, 62965), (1285, 55321), (1799, 39515), (5645, 12593), (7903, 8995)]