440341408

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{1621}}^1$

素因数の和:2297

約数の個数: 48

約数和(自身を含む): 935615016

約数和(自身を除く): 495273608

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 653, 1306, 1621, 2612, 3242, 5224, 6484, 8489, 10448, 12968, 16978, 20896, 21073, 25936, 33956, 42146, 51872, 67912, 84292, 135824, 168584, 271648, 337168, 674336, 1058513, 2117026, 4234052, 8468104, 13760669, 16936208, 27521338, 33872416, 55042676, 110085352, 220170704, 440341408]

約数ペア:

[(1, 440341408), (2, 220170704), (4, 110085352), (8, 55042676), (13, 33872416), (16, 27521338), (26, 16936208), (32, 13760669), (52, 8468104), (104, 4234052), (208, 2117026), (416, 1058513), (653, 674336), (1306, 337168), (1621, 271648), (2612, 168584), (3242, 135824), (5224, 84292), (6484, 67912), (8489, 51872), (10448, 42146), (12968, 33956), (16978, 25936), (20896, 21073)]