212535197

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5309}}^1$

素因数の和:5385

約数の個数: 24

約数和(自身を含む): 266349600

約数和(自身を除く): 53814403

約数列:

[1, 7, 19, 43, 49, 133, 301, 817, 931, 2107, 5309, 5719, 37163, 40033, 100871, 228287, 260141, 706097, 1598009, 4337453, 4942679, 11186063, 30362171, 212535197]

約数ペア:

[(1, 212535197), (7, 30362171), (19, 11186063), (43, 4942679), (49, 4337453), (133, 1598009), (301, 706097), (817, 260141), (931, 228287), (2107, 100871), (5309, 40033), (5719, 37163)]