201721613

素因数分解:

${\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1\times {\mathrm{379}}^1$

素因数の和:764

約数の個数: 16

約数和(自身を含む): 215688000

約数和(自身を除く): 13966387

約数列:

[1, 19, 109, 257, 379, 2071, 4883, 7201, 28013, 41311, 97403, 532247, 784909, 1850657, 10616927, 201721613]

約数ペア:

[(1, 201721613), (19, 10616927), (109, 1850657), (257, 784909), (379, 532247), (2071, 97403), (4883, 41311), (7201, 28013)]