128673918

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{420503}}^1$

素因数の和:420528

約数の個数: 24

約数和(自身を含む): 295193808

約数和(自身を除く): 166519890

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 420503, 841006, 1261509, 2523018, 3784527, 7148551, 7569054, 14297102, 21445653, 42891306, 64336959, 128673918]

約数ペア:

[(1, 128673918), (2, 64336959), (3, 42891306), (6, 21445653), (9, 14297102), (17, 7569054), (18, 7148551), (34, 3784527), (51, 2523018), (102, 1261509), (153, 841006), (306, 420503)]