1278408046

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{201451}}^1$

素因数の和:201639

約数の個数: 16

約数和(自身を含む): 2030636160

約数和(自身を除く): 752228114

約数列:

[1, 2, 19, 38, 167, 334, 3173, 6346, 201451, 402902, 3827569, 7655138, 33642317, 67284634, 639204023, 1278408046]

約数ペア:

[(1, 1278408046), (2, 639204023), (19, 67284634), (38, 33642317), (167, 7655138), (334, 3827569), (3173, 402902), (6346, 201451)]