66781169

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2557}}^1$

素因数の和:2625

約数の個数: 24

約数和(自身を含む): 85733928

約数和(自身を除く): 18952759

約数列:

[1, 7, 13, 41, 49, 91, 287, 533, 637, 2009, 2557, 3731, 17899, 26117, 33241, 104837, 125293, 232687, 733859, 1362881, 1628809, 5137013, 9540167, 66781169]

約数ペア:

[(1, 66781169), (7, 9540167), (13, 5137013), (41, 1628809), (49, 1362881), (91, 733859), (287, 232687), (533, 125293), (637, 104837), (2009, 33241), (2557, 26117), (3731, 17899)]