211580215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{32327}}^1$

素因数の和:32367

約数の個数: 32

約数和(自身を含む): 335176704

約数和(自身を除く): 123596489

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 6545, 32327, 161635, 226289, 355597, 549559, 1131445, 1777985, 2489179, 2747795, 3846913, 6045149, 12445895, 19234565, 30225745, 42316043, 211580215]

約数ペア:

[(1, 211580215), (5, 42316043), (7, 30225745), (11, 19234565), (17, 12445895), (35, 6045149), (55, 3846913), (77, 2747795), (85, 2489179), (119, 1777985), (187, 1131445), (385, 549559), (595, 355597), (935, 226289), (1309, 161635), (6545, 32327)]