168338401

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 218972160

約数和(自身を除く): 50633759

約数列:

[1, 7, 11, 31, 77, 109, 217, 341, 647, 763, 1199, 2387, 3379, 4529, 7117, 8393, 20057, 23653, 37169, 49819, 70523, 140399, 220627, 260183, 493661, 775753, 1544389, 2186213, 5430271, 15303491, 24048343, 168338401]

約数ペア:

[(1, 168338401), (7, 24048343), (11, 15303491), (31, 5430271), (77, 2186213), (109, 1544389), (217, 775753), (341, 493661), (647, 260183), (763, 220627), (1199, 140399), (2387, 70523), (3379, 49819), (4529, 37169), (7117, 23653), (8393, 20057)]