81734542

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{12433}}^1$

素因数の和:12627

約数の個数: 16

約数和(自身を含む): 129810960

約数和(自身を除く): 48076418

約数列:

[1, 2, 19, 38, 173, 346, 3287, 6574, 12433, 24866, 236227, 472454, 2150909, 4301818, 40867271, 81734542]

約数ペア:

[(1, 81734542), (2, 40867271), (19, 4301818), (38, 2150909), (173, 472454), (346, 236227), (3287, 24866), (6574, 12433)]