2000996416

素因数分解:

$2^6\times {\mathrm{401}}^1\times {\mathrm{77969}}^1$

素因数の和:78382

約数の個数: 28

約数和(自身を含む): 3980680380

約数和(自身を除く): 1979683964

約数列:

[1, 2, 4, 8, 16, 32, 64, 401, 802, 1604, 3208, 6416, 12832, 25664, 77969, 155938, 311876, 623752, 1247504, 2495008, 4990016, 31265569, 62531138, 125062276, 250124552, 500249104, 1000498208, 2000996416]

約数ペア:

[(1, 2000996416), (2, 1000498208), (4, 500249104), (8, 250124552), (16, 125062276), (32, 62531138), (64, 31265569), (401, 4990016), (802, 2495008), (1604, 1247504), (3208, 623752), (6416, 311876), (12832, 155938), (25664, 77969)]