128385198

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{230081}}^1$

素因数の和:230120

約数の個数: 24

約数和(自身を含む): 287142336

約数和(自身を除く): 158757138

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 230081, 460162, 690243, 1380486, 2070729, 4141458, 7132511, 14265022, 21397533, 42795066, 64192599, 128385198]

約数ペア:

[(1, 128385198), (2, 64192599), (3, 42795066), (6, 21397533), (9, 14265022), (18, 7132511), (31, 4141458), (62, 2070729), (93, 1380486), (186, 690243), (279, 460162), (558, 230081)]