209849238

素因数分解:

$2^1\times 3^3\times {\mathrm{257}}^1\times {\mathrm{15121}}^1$

素因数の和:15389

約数の個数: 32

約数和(自身を含む): 468177120

約数和(自身を除く): 258327882

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 257, 514, 771, 1542, 2313, 4626, 6939, 13878, 15121, 30242, 45363, 90726, 136089, 272178, 408267, 816534, 3886097, 7772194, 11658291, 23316582, 34974873, 69949746, 104924619, 209849238]

約数ペア:

[(1, 209849238), (2, 104924619), (3, 69949746), (6, 34974873), (9, 23316582), (18, 11658291), (27, 7772194), (54, 3886097), (257, 816534), (514, 408267), (771, 272178), (1542, 136089), (2313, 90726), (4626, 45363), (6939, 30242), (13878, 15121)]