42020209

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{683}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 56733696

約数和(自身を除く): 14713487

約数列:

[1, 7, 11, 17, 47, 77, 119, 187, 329, 517, 683, 799, 1309, 3619, 4781, 5593, 7513, 8789, 11611, 32101, 52591, 61523, 81277, 127721, 224707, 353111, 545717, 894047, 2471777, 3820019, 6002887, 42020209]

約数ペア:

[(1, 42020209), (7, 6002887), (11, 3820019), (17, 2471777), (47, 894047), (77, 545717), (119, 353111), (187, 224707), (329, 127721), (517, 81277), (683, 61523), (799, 52591), (1309, 32101), (3619, 11611), (4781, 8789), (5593, 7513)]