221140019

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{677}}^1$

素因数の和:1006

約数の個数: 16

約数和(自身を含む): 235097856

約数和(自身を除く): 13957837

約数列:

[1, 31, 41, 257, 677, 1271, 7967, 10537, 20987, 27757, 173989, 326647, 860467, 5393659, 7133549, 221140019]

約数ペア:

[(1, 221140019), (31, 7133549), (41, 5393659), (257, 860467), (677, 326647), (1271, 173989), (7967, 27757), (10537, 20987)]