64959895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12979}}^1$

素因数の和:13015

約数の個数: 32

約数和(自身を含む): 104670720

約数和(自身を除く): 39710825

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 12979, 64895, 90853, 142769, 168727, 454265, 713845, 843635, 999383, 1181089, 1855997, 4996915, 5905445, 9279985, 12991979, 64959895]

約数ペア:

[(1, 64959895), (5, 12991979), (7, 9279985), (11, 5905445), (13, 4996915), (35, 1855997), (55, 1181089), (65, 999383), (77, 843635), (91, 713845), (143, 454265), (385, 168727), (455, 142769), (715, 90853), (1001, 64895), (5005, 12979)]