128178714

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{300889}}^1$

素因数の和:300965

約数の個数: 16

約数和(自身を含む): 259968960

約数和(自身を除く): 131790246

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 300889, 601778, 902667, 1805334, 21363119, 42726238, 64089357, 128178714]

約数ペア:

[(1, 128178714), (2, 64089357), (3, 42726238), (6, 21363119), (71, 1805334), (142, 902667), (213, 601778), (426, 300889)]