247393826

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{13807}}^1$

素因数の和:13874

約数の個数: 24

約数和(自身を含む): 406949376

約数和(自身を除く): 159555550

約数列:

[1, 2, 17, 31, 34, 62, 289, 527, 578, 1054, 8959, 13807, 17918, 27614, 234719, 428017, 469438, 856034, 3990223, 7276289, 7980446, 14552578, 123696913, 247393826]

約数ペア:

[(1, 247393826), (2, 123696913), (17, 14552578), (31, 7980446), (34, 7276289), (62, 3990223), (289, 856034), (527, 469438), (578, 428017), (1054, 234719), (8959, 27614), (13807, 17918)]