15661987

素因数分解:

${\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:426

約数の個数: 16

約数和(自身を含む): 17625600

約数和(自身を除く): 1963613

約数列:

[1, 11, 67, 79, 269, 737, 869, 2959, 5293, 18023, 21251, 58223, 198253, 233761, 1423817, 15661987]

約数ペア:

[(1, 15661987), (11, 1423817), (67, 233761), (79, 198253), (269, 58223), (737, 21251), (869, 18023), (2959, 5293)]