1440690628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{65809}}^1$

素因数の和:66247

約数の個数: 24

約数和(自身を含む): 2721638360

約数和(自身を除く): 1280947732

約数列:

[1, 2, 4, 13, 26, 52, 421, 842, 1684, 5473, 10946, 21892, 65809, 131618, 263236, 855517, 1711034, 3422068, 27705589, 55411178, 110822356, 360172657, 720345314, 1440690628]

約数ペア:

[(1, 1440690628), (2, 720345314), (4, 360172657), (13, 110822356), (26, 55411178), (52, 27705589), (421, 3422068), (842, 1711034), (1684, 855517), (5473, 263236), (10946, 131618), (21892, 65809)]