858491138

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{42403}}^1$

素因数の和:42649

約数の個数: 16

約数和(自身を含む): 1318934016

約数和(自身を除く): 460442878

約数列:

[1, 2, 53, 106, 191, 382, 10123, 20246, 42403, 84806, 2247359, 4494718, 8098973, 16197946, 429245569, 858491138]

約数ペア:

[(1, 858491138), (2, 429245569), (53, 16197946), (106, 8098973), (191, 4494718), (382, 2247359), (10123, 84806), (20246, 42403)]