26501515

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{331}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 32509440

約数和(自身を除く): 6007925

約数列:

[1, 5, 67, 239, 331, 335, 1195, 1655, 16013, 22177, 79109, 80065, 110885, 395545, 5300303, 26501515]

約数ペア:

[(1, 26501515), (5, 5300303), (67, 395545), (239, 110885), (331, 80065), (335, 79109), (1195, 22177), (1655, 16013)]