258408396

素因数分解:

$2^2\times 3^2\times {\mathrm{7178011}}^1$

素因数の和:7178021

約数の個数: 18

約数和(自身を含む): 653199092

約数和(自身を除く): 394790696

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 7178011, 14356022, 21534033, 28712044, 43068066, 64602099, 86136132, 129204198, 258408396]

約数ペア:

[(1, 258408396), (2, 129204198), (3, 86136132), (4, 64602099), (6, 43068066), (9, 28712044), (12, 21534033), (18, 14356022), (36, 7178011)]