121971336890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{938241053}}^1$

素因数の和:938241073

約数の個数: 16

約数和(自身を含む): 236436745608

約数和(自身を除く): 114465408718

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 938241053, 1876482106, 4691205265, 9382410530, 12197133689, 24394267378, 60985668445, 121971336890]

約数ペア:

[(1, 121971336890), (2, 60985668445), (5, 24394267378), (10, 12197133689), (13, 9382410530), (26, 4691205265), (65, 1876482106), (130, 938241053)]