1980928

素因数分解:

$2^9\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 40

約数和(自身を含む): 4087908

約数和(自身を除く): 2106980

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 73, 106, 128, 146, 212, 256, 292, 424, 512, 584, 848, 1168, 1696, 2336, 3392, 3869, 4672, 6784, 7738, 9344, 13568, 15476, 18688, 27136, 30952, 37376, 61904, 123808, 247616, 495232, 990464, 1980928]

約数ペア:

[(1, 1980928), (2, 990464), (4, 495232), (8, 247616), (16, 123808), (32, 61904), (53, 37376), (64, 30952), (73, 27136), (106, 18688), (128, 15476), (146, 13568), (212, 9344), (256, 7738), (292, 6784), (424, 4672), (512, 3869), (584, 3392), (848, 2336), (1168, 1696)]