123450019

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43331}}^1$

素因数の和:43386

約数の個数: 16

約数和(自身を含む): 158075136

約数和(自身を除く): 34625117

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 43331, 303317, 476641, 1603247, 3336487, 11222729, 17635717, 123450019]

約数ペア:

[(1, 123450019), (7, 17635717), (11, 11222729), (37, 3336487), (77, 1603247), (259, 476641), (407, 303317), (2849, 43331)]