28251198

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{11981}}^1$

素因数の和:12120

約数の個数: 24

約数和(自身を含む): 61683336

約数和(自身を除く): 33432138

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 11981, 23962, 35943, 71886, 107829, 215658, 1569511, 3139022, 4708533, 9417066, 14125599, 28251198]

約数ペア:

[(1, 28251198), (2, 14125599), (3, 9417066), (6, 4708533), (9, 3139022), (18, 1569511), (131, 215658), (262, 107829), (393, 71886), (786, 35943), (1179, 23962), (2358, 11981)]