4390291238

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1\times {\mathrm{2143}}^1$

素因数の和:2540

約数の個数: 32

約数和(自身を含む): 6876168192

約数和(自身を除く): 2485876954

約数列:

[1, 2, 31, 62, 173, 191, 346, 382, 2143, 4286, 5363, 5921, 10726, 11842, 33043, 66086, 66433, 132866, 370739, 409313, 741478, 818626, 1024333, 2048666, 11492909, 12688703, 22985818, 25377406, 70811149, 141622298, 2195145619, 4390291238]

約数ペア:

[(1, 4390291238), (2, 2195145619), (31, 141622298), (62, 70811149), (173, 25377406), (191, 22985818), (346, 12688703), (382, 11492909), (2143, 2048666), (4286, 1024333), (5363, 818626), (5921, 741478), (10726, 409313), (11842, 370739), (33043, 132866), (66086, 66433)]