90890082

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{71119}}^1$

素因数の和:71198

約数の個数: 24

約数和(自身を含む): 199704960

約数和(自身を除く): 108814878

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 71119, 142238, 213357, 426714, 640071, 1280142, 5049449, 10098898, 15148347, 30296694, 45445041, 90890082]

約数ペア:

[(1, 90890082), (2, 45445041), (3, 30296694), (6, 15148347), (9, 10098898), (18, 5049449), (71, 1280142), (142, 640071), (213, 426714), (426, 213357), (639, 142238), (1278, 71119)]