71757455

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6427}}^1$

素因数の和:6479

約数の個数: 32

約数和(自身を含む): 111075840

約数和(自身を除く): 39318385

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 203, 319, 385, 1015, 1595, 2233, 6427, 11165, 32135, 44989, 70697, 186383, 224945, 353485, 494879, 931915, 1304681, 2050213, 2474395, 6523405, 10251065, 14351491, 71757455]

約数ペア:

[(1, 71757455), (5, 14351491), (7, 10251065), (11, 6523405), (29, 2474395), (35, 2050213), (55, 1304681), (77, 931915), (145, 494879), (203, 353485), (319, 224945), (385, 186383), (1015, 70697), (1595, 44989), (2233, 32135), (6427, 11165)]