212338945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{10853}}^1$

素因数の和:10921

約数の個数: 32

約数和(自身を含む): 320931072

約数和(自身を除く): 108592127

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 301, 455, 559, 1505, 2795, 3913, 10853, 19565, 54265, 75971, 141089, 379855, 466679, 705445, 987623, 2333395, 3266753, 4938115, 6066827, 16333765, 30334135, 42467789, 212338945]

約数ペア:

[(1, 212338945), (5, 42467789), (7, 30334135), (13, 16333765), (35, 6066827), (43, 4938115), (65, 3266753), (91, 2333395), (215, 987623), (301, 705445), (455, 466679), (559, 379855), (1505, 141089), (2795, 75971), (3913, 54265), (10853, 19565)]