128147318

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^2$

素因数の和:536

約数の個数: 24

約数和(自身を含む): 209701632

約数和(自身を除く): 81554314

約数列:

[1, 2, 13, 26, 127, 197, 254, 394, 1651, 2561, 3302, 5122, 25019, 38809, 50038, 77618, 325247, 504517, 650494, 1009034, 4928743, 9857486, 64073659, 128147318]

約数ペア:

[(1, 128147318), (2, 64073659), (13, 9857486), (26, 4928743), (127, 1009034), (197, 650494), (254, 504517), (394, 325247), (1651, 77618), (2561, 50038), (3302, 38809), (5122, 25019)]