1388403737

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{75617}}^1$

素因数の和:75728

約数の個数: 16

約数和(自身を含む): 1650287232

約数和(自身を除く): 261883495

約数列:

[1, 7, 43, 61, 301, 427, 2623, 18361, 75617, 529319, 3251531, 4612637, 22760717, 32288459, 198343391, 1388403737]

約数ペア:

[(1, 1388403737), (7, 198343391), (43, 32288459), (61, 22760717), (301, 4612637), (427, 3251531), (2623, 529319), (18361, 75617)]