78899818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{12433}}^1$

素因数の和:12621

約数の個数: 16

約数和(自身を含む): 125334720

約数和(自身を除く): 46434902

約数列:

[1, 2, 19, 38, 167, 334, 3173, 6346, 12433, 24866, 236227, 472454, 2076311, 4152622, 39449909, 78899818]

約数ペア:

[(1, 78899818), (2, 39449909), (19, 4152622), (38, 2076311), (167, 472454), (334, 236227), (3173, 24866), (6346, 12433)]