28236845

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{271}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 42040320

約数和(自身を除く): 13803475

約数列:

[1, 5, 7, 13, 35, 65, 91, 229, 271, 455, 1145, 1355, 1603, 1897, 2977, 3523, 8015, 9485, 14885, 17615, 20839, 24661, 62059, 104195, 123305, 310295, 434413, 806767, 2172065, 4033835, 5647369, 28236845]

約数ペア:

[(1, 28236845), (5, 5647369), (7, 4033835), (13, 2172065), (35, 806767), (65, 434413), (91, 310295), (229, 123305), (271, 104195), (455, 62059), (1145, 24661), (1355, 20839), (1603, 17615), (1897, 14885), (2977, 9485), (3523, 8015)]