15840416

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{6781}}^1$

素因数の和:6864

約数の個数: 24

約数和(自身を含む): 31617684

約数和(自身を除く): 15777268

約数列:

[1, 2, 4, 8, 16, 32, 73, 146, 292, 584, 1168, 2336, 6781, 13562, 27124, 54248, 108496, 216992, 495013, 990026, 1980052, 3960104, 7920208, 15840416]

約数ペア:

[(1, 15840416), (2, 7920208), (4, 3960104), (8, 1980052), (16, 990026), (32, 495013), (73, 216992), (146, 108496), (292, 54248), (584, 27124), (1168, 13562), (2336, 6781)]