221756028

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{26821}}^1$

素因数の和:26894

約数の個数: 48

約数和(自身を含む): 567768096

約数和(自身を除く): 346012068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 212, 318, 636, 689, 1378, 2067, 2756, 4134, 8268, 26821, 53642, 80463, 107284, 160926, 321852, 348673, 697346, 1046019, 1394692, 1421513, 2092038, 2843026, 4184076, 4264539, 5686052, 8529078, 17058156, 18479669, 36959338, 55439007, 73918676, 110878014, 221756028]

約数ペア:

[(1, 221756028), (2, 110878014), (3, 73918676), (4, 55439007), (6, 36959338), (12, 18479669), (13, 17058156), (26, 8529078), (39, 5686052), (52, 4264539), (53, 4184076), (78, 2843026), (106, 2092038), (156, 1421513), (159, 1394692), (212, 1046019), (318, 697346), (636, 348673), (689, 321852), (1378, 160926), (2067, 107284), (2756, 80463), (4134, 53642), (8268, 26821)]