211325581

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{911}}^1$

素因数の和:1380

約数の個数: 16

約数和(自身を含む): 230918400

約数和(自身を除く): 19592819

約数列:

[1, 19, 29, 421, 551, 911, 7999, 12209, 17309, 26419, 231971, 383531, 501961, 7287089, 11122399, 211325581]

約数ペア:

[(1, 211325581), (19, 11122399), (29, 7287089), (421, 501961), (551, 383531), (911, 231971), (7999, 26419), (12209, 17309)]