28730065

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{271}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 42771456

約数和(自身を除く): 14041391

約数列:

[1, 5, 7, 13, 35, 65, 91, 233, 271, 455, 1165, 1355, 1631, 1897, 3029, 3523, 8155, 9485, 15145, 17615, 21203, 24661, 63143, 106015, 123305, 315715, 442001, 820859, 2210005, 4104295, 5746013, 28730065]

約数ペア:

[(1, 28730065), (5, 5746013), (7, 4104295), (13, 2210005), (35, 820859), (65, 442001), (91, 315715), (233, 123305), (271, 106015), (455, 63143), (1165, 24661), (1355, 21203), (1631, 17615), (1897, 15145), (3029, 9485), (3523, 8155)]