28237706

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 50509440

約数和(自身を除く): 22271734

約数列:

[1, 2, 7, 14, 29, 58, 157, 203, 314, 406, 443, 886, 1099, 2198, 3101, 4553, 6202, 9106, 12847, 25694, 31871, 63742, 69551, 89929, 139102, 179858, 486857, 973714, 2016979, 4033958, 14118853, 28237706]

約数ペア:

[(1, 28237706), (2, 14118853), (7, 4033958), (14, 2016979), (29, 973714), (58, 486857), (157, 179858), (203, 139102), (314, 89929), (406, 69551), (443, 63742), (886, 31871), (1099, 25694), (2198, 12847), (3101, 9106), (4553, 6202)]