1218376415

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{937}}^1\times {\mathrm{8389}}^1$

素因数の和:9362

約数の個数: 16

約数和(自身を含む): 1511005440

約数和(自身を除く): 292629025

約数列:

[1, 5, 31, 155, 937, 4685, 8389, 29047, 41945, 145235, 260059, 1300295, 7860493, 39302465, 243675283, 1218376415]

約数ペア:

[(1, 1218376415), (5, 243675283), (31, 39302465), (155, 7860493), (937, 1300295), (4685, 260059), (8389, 145235), (29047, 41945)]