201719441

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 259338240

約数和(自身を除く): 57618799

約数列:

[1, 7, 11, 47, 77, 139, 329, 401, 517, 973, 1529, 2807, 3619, 4411, 6533, 10703, 18847, 30877, 45731, 55739, 71863, 131929, 207317, 390173, 503041, 613129, 1451219, 2619733, 4291903, 18338131, 28817063, 201719441]

約数ペア:

[(1, 201719441), (7, 28817063), (11, 18338131), (47, 4291903), (77, 2619733), (139, 1451219), (329, 613129), (401, 503041), (517, 390173), (973, 207317), (1529, 131929), (2807, 71863), (3619, 55739), (4411, 45731), (6533, 30877), (10703, 18847)]