16661645

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3329}}^1$

素因数の和:3365

約数の個数: 32

約数和(自身を含む): 26853120

約数和(自身を除く): 10191475

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 3329, 5005, 16645, 23303, 36619, 43277, 116515, 183095, 216385, 256333, 302939, 476047, 1281665, 1514695, 2380235, 3332329, 16661645]

約数ペア:

[(1, 16661645), (5, 3332329), (7, 2380235), (11, 1514695), (13, 1281665), (35, 476047), (55, 302939), (65, 256333), (77, 216385), (91, 183095), (143, 116515), (385, 43277), (455, 36619), (715, 23303), (1001, 16645), (3329, 5005)]