1242638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{617}}^1$

素因数の和:691

約数の個数: 16

約数和(自身を含む): 2002320

約数和(自身を除く): 759682

約数列:

[1, 2, 19, 38, 53, 106, 617, 1007, 1234, 2014, 11723, 23446, 32701, 65402, 621319, 1242638]

約数ペア:

[(1, 1242638), (2, 621319), (19, 65402), (38, 32701), (53, 23446), (106, 11723), (617, 2014), (1007, 1234)]