128211918

素因数分解:

$2^1\times 3^1\times {\mathrm{317}}^1\times {\mathrm{67409}}^1$

素因数の和:67731

約数の個数: 16

約数和(自身を含む): 257236560

約数和(自身を除く): 129024642

約数列:

[1, 2, 3, 6, 317, 634, 951, 1902, 67409, 134818, 202227, 404454, 21368653, 42737306, 64105959, 128211918]

約数ペア:

[(1, 128211918), (2, 64105959), (3, 42737306), (6, 21368653), (317, 404454), (634, 202227), (951, 134818), (1902, 67409)]