12991033

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{541}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 14829120

約数和(自身を除く): 1838087

約数列:

[1, 11, 37, 59, 407, 541, 649, 2183, 5951, 20017, 24013, 31919, 220187, 351109, 1181003, 12991033]

約数ペア:

[(1, 12991033), (11, 1181003), (37, 351109), (59, 220187), (407, 31919), (541, 24013), (649, 20017), (2183, 5951)]