209291238

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{894407}}^1$

素因数の和:894428

約数の個数: 24

約数和(自身を含む): 488346768

約数和(自身を除く): 279055530

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 894407, 1788814, 2683221, 5366442, 8049663, 11627291, 16099326, 23254582, 34881873, 69763746, 104645619, 209291238]

約数ペア:

[(1, 209291238), (2, 104645619), (3, 69763746), (6, 34881873), (9, 23254582), (13, 16099326), (18, 11627291), (26, 8049663), (39, 5366442), (78, 2683221), (117, 1788814), (234, 894407)]