66217391

素因数分解:

${\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{433}}^1$

素因数の和:626

約数の個数: 16

約数和(自身を含む): 71037120

約数和(自身を除く): 4819729

約数列:

[1, 23, 61, 109, 433, 1403, 2507, 6649, 9959, 26413, 47197, 152927, 607499, 1085531, 2879017, 66217391]

約数ペア:

[(1, 66217391), (23, 2879017), (61, 1085531), (109, 607499), (433, 152927), (1403, 47197), (2507, 26413), (6649, 9959)]