215438418

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{920677}}^1$

素因数の和:920698

約数の個数: 24

約数和(自身を含む): 502690188

約数和(自身を除く): 287251770

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 920677, 1841354, 2762031, 5524062, 8286093, 11968801, 16572186, 23937602, 35906403, 71812806, 107719209, 215438418]

約数ペア:

[(1, 215438418), (2, 107719209), (3, 71812806), (6, 35906403), (9, 23937602), (13, 16572186), (18, 11968801), (26, 8286093), (39, 5524062), (78, 2762031), (117, 1841354), (234, 920677)]