1390429882

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{647917}}^1$

素因数の和:647985

約数の個数: 16

約数和(自身を含む): 2215879560

約数和(自身を除く): 825449678

約数列:

[1, 2, 29, 37, 58, 74, 1073, 2146, 647917, 1295834, 18789593, 23972929, 37579186, 47945858, 695214941, 1390429882]

約数ペア:

[(1, 1390429882), (2, 695214941), (29, 47945858), (37, 37579186), (58, 23972929), (74, 18789593), (1073, 1295834), (2146, 647917)]