78649070

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191827}}^1$

素因数の和:191875

約数の個数: 16

約数和(自身を含む): 145021968

約数和(自身を除く): 66372898

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 191827, 383654, 959135, 1918270, 7864907, 15729814, 39324535, 78649070]

約数ペア:

[(1, 78649070), (2, 39324535), (5, 15729814), (10, 7864907), (41, 1918270), (82, 959135), (205, 383654), (410, 191827)]