78028990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{46171}}^1$

素因数の和:46204

約数の個数: 24

約数和(自身を含む): 152090568

約数和(自身を除く): 74061578

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 46171, 92342, 230855, 461710, 600223, 1200446, 3001115, 6002230, 7802899, 15605798, 39014495, 78028990]

約数ペア:

[(1, 78028990), (2, 39014495), (5, 15605798), (10, 7802899), (13, 6002230), (26, 3001115), (65, 1200446), (130, 600223), (169, 461710), (338, 230855), (845, 92342), (1690, 46171)]