2197788691

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{151603}}^1$

素因数の和:151738

約数の個数: 16

約数和(自身を含む): 2668230400

約数和(自身を除く): 470441709

約数列:

[1, 7, 19, 109, 133, 763, 2071, 14497, 151603, 1061221, 2880457, 16524727, 20163199, 115673089, 313969813, 2197788691]

約数ペア:

[(1, 2197788691), (7, 313969813), (19, 115673089), (109, 20163199), (133, 16524727), (763, 2880457), (2071, 1061221), (14497, 151603)]