421954141

素因数分解:

$7^4\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:199

約数の個数: 40

約数和(自身を含む): 519596704

約数和(自身を除く): 97642563

約数列:

[1, 7, 43, 49, 61, 67, 301, 343, 427, 469, 2107, 2401, 2623, 2881, 2989, 3283, 4087, 14749, 18361, 20167, 20923, 22981, 28609, 103243, 128527, 141169, 146461, 160867, 175741, 200263, 899689, 988183, 1230187, 1401841, 6297823, 6917281, 8611309, 9812887, 60279163, 421954141]

約数ペア:

[(1, 421954141), (7, 60279163), (43, 9812887), (49, 8611309), (61, 6917281), (67, 6297823), (301, 1401841), (343, 1230187), (427, 988183), (469, 899689), (2107, 200263), (2401, 175741), (2623, 160867), (2881, 146461), (2989, 141169), (3283, 128527), (4087, 103243), (14749, 28609), (18361, 22981), (20167, 20923)]