51353155

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 72852480

約数和(自身を除く): 21499325

約数列:

[1, 5, 7, 35, 61, 67, 305, 335, 359, 427, 469, 1795, 2135, 2345, 2513, 4087, 12565, 20435, 21899, 24053, 28609, 109495, 120265, 143045, 153293, 168371, 766465, 841855, 1467233, 7336165, 10270631, 51353155]

約数ペア:

[(1, 51353155), (5, 10270631), (7, 7336165), (35, 1467233), (61, 841855), (67, 766465), (305, 168371), (335, 153293), (359, 143045), (427, 120265), (469, 109495), (1795, 28609), (2135, 24053), (2345, 21899), (2513, 20435), (4087, 12565)]