74988991

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51257}}^1$

素因数の和:51294

約数の個数: 16

約数和(自身を含む): 98415360

約数和(自身を除く): 23426369

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 51257, 358799, 563827, 973883, 3946789, 6817181, 10712713, 74988991]

約数ペア:

[(1, 74988991), (7, 10712713), (11, 6817181), (19, 3946789), (77, 973883), (133, 563827), (209, 358799), (1463, 51257)]