213419843

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4241}}^1$

素因数の和:4347

約数の個数: 24

約数和(自身を含む): 270809280

約数和(自身を除く): 57389437

約数列:

[1, 7, 13, 49, 79, 91, 553, 637, 1027, 3871, 4241, 7189, 29687, 50323, 55133, 207809, 335039, 385931, 2345273, 2701517, 4355507, 16416911, 30488549, 213419843]

約数ペア:

[(1, 213419843), (7, 30488549), (13, 16416911), (49, 4355507), (79, 2701517), (91, 2345273), (553, 385931), (637, 335039), (1027, 207809), (3871, 55133), (4241, 50323), (7189, 29687)]