4407221

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2549}}^1$

素因数の和:2588

約数の個数: 16

約数和(自身を含む): 5712000

約数和(自身を除く): 1304779

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 2549, 17843, 33137, 48431, 231959, 339017, 629603, 4407221]

約数ペア:

[(1, 4407221), (7, 629603), (13, 339017), (19, 231959), (91, 48431), (133, 33137), (247, 17843), (1729, 2549)]