16530575

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 21248640

約数和(自身を除く): 4718065

約数列:

[1, 5, 25, 67, 71, 139, 335, 355, 695, 1675, 1775, 3475, 4757, 9313, 9869, 23785, 46565, 49345, 118925, 232825, 246725, 661223, 3306115, 16530575]

約数ペア:

[(1, 16530575), (5, 3306115), (25, 661223), (67, 246725), (71, 232825), (139, 118925), (335, 49345), (355, 46565), (695, 23785), (1675, 9869), (1775, 9313), (3475, 4757)]