201798785

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^2$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 253249920

約数和(自身を除く): 51451135

約数列:

[1, 5, 43, 79, 109, 215, 395, 545, 3397, 4687, 8611, 11881, 16985, 23435, 43055, 59405, 370273, 510883, 938599, 1851365, 2554415, 4692995, 40359757, 201798785]

約数ペア:

[(1, 201798785), (5, 40359757), (43, 4692995), (79, 2554415), (109, 1851365), (215, 938599), (395, 510883), (545, 370273), (3397, 59405), (4687, 43055), (8611, 23435), (11881, 16985)]