61978399

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{20261}}^1$

素因数の和:20310

約数の個数: 16

約数和(自身を含む): 77806080

約数和(自身を除く): 15827681

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 20261, 141827, 384959, 466003, 2694713, 3262021, 8854057, 61978399]

約数ペア:

[(1, 61978399), (7, 8854057), (19, 3262021), (23, 2694713), (133, 466003), (161, 384959), (437, 141827), (3059, 20261)]